Areas Related To Circle (DPP)
Question 16.
Find the area of the major segment APB, in the figure of a circle of radius 35 cm and ∠AOB = 90°. (Use π =227 ).
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 25](//sidclasses.in/wp-content/plugins/a3-lazy-load/assets/images/lazy_placeholder.gif)
Find the area of the major segment APB, in the figure of a circle of radius 35 cm and ∠AOB = 90°. (Use π =
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 25](https://www.learncbse.in/wp-content/uploads/2019/08/Important-Questions-for-Class-10-Maths-Chapter-12-Areas-Related-to-Circles-25.png)
Question 17.
A chord of a circle of radius 14 cm subtends an angle of 120° at the centre. Find the area of the corresponding minor segment of the circle. (Use π =227 and 3–√ = 1.73].
A chord of a circle of radius 14 cm subtends an angle of 120° at the centre. Find the area of the corresponding minor segment of the circle. (Use π =
Question 18.
In Figure, a semi-circle is drawn with O as centre and AB as diameter. Semi-circles are drawn with AO and A OB as diameters. If AB = 28 m, find the perimeter of the shaded region. [Use π =227
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 29](//sidclasses.in/wp-content/plugins/a3-lazy-load/assets/images/lazy_placeholder.gif)
In Figure, a semi-circle is drawn with O as centre and AB as diameter. Semi-circles are drawn with AO and A OB as diameters. If AB = 28 m, find the perimeter of the shaded region. [Use π =
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 29](https://www.learncbse.in/wp-content/uploads/2019/08/Important-Questions-for-Class-10-Maths-Chapter-12-Areas-Related-to-Circles-29.png)
Question 19.
In a circle of radius 21 cm, an arc subtends an angle of 60° at the centre. Find:
(i) the length of the arc
(ii) area of the sector formed by the arc. [Use π =227 ]
In a circle of radius 21 cm, an arc subtends an angle of 60° at the centre. Find:
(i) the length of the arc
(ii) area of the sector formed by the arc. [Use π =
Question 20.
In Figure, two concentric circles with centre O, have radii 21 cm and 42 cm. If ∠AOB = 60°, find the area of the shaded region. (Use π =227 ]
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 32](//sidclasses.in/wp-content/plugins/a3-lazy-load/assets/images/lazy_placeholder.gif)
In Figure, two concentric circles with centre O, have radii 21 cm and 42 cm. If ∠AOB = 60°, find the area of the shaded region. (Use π =
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 32](https://www.learncbse.in/wp-content/uploads/2019/08/Important-Questions-for-Class-10-Maths-Chapter-12-Areas-Related-to-Circles-32.png)
Question 21.
In Figure, APB and AQO are semi-circles, and AO = OB. If the peri-meter of al the figure is 40 cm, find the area of the shaded region. [Use π =227 ]
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 34](//sidclasses.in/wp-content/plugins/a3-lazy-load/assets/images/lazy_placeholder.gif)
In Figure, APB and AQO are semi-circles, and AO = OB. If the peri-meter of al the figure is 40 cm, find the area of the shaded region. [Use π =
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 34](https://www.learncbse.in/wp-content/uploads/2019/08/Important-Questions-for-Class-10-Maths-Chapter-12-Areas-Related-to-Circles-34.png)
Question 22.
In Figure, O is the centre of a circle such that diameter AB = 13 cm and AC = 12 cm. BC is joined. Find the area of the shaded region. (Take π = 3.14)
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 36](//sidclasses.in/wp-content/plugins/a3-lazy-load/assets/images/lazy_placeholder.gif)
In Figure, O is the centre of a circle such that diameter AB = 13 cm and AC = 12 cm. BC is joined. Find the area of the shaded region. (Take π = 3.14)
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 36](https://www.learncbse.in/wp-content/uploads/2019/08/Important-Questions-for-Class-10-Maths-Chapter-12-Areas-Related-to-Circles-36.png)
Question 23.
In Figure, are shown two arcs PAQ and 0 PBQuestion Arc PAQ is a part of circle with centre O and radius OP while arc PBQ is a semi-circle drawn on PQ as diameter with centre M. If OP = PQ = 10 cm, show that area of shaded region is 25(3–√=π6 )cm2.
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 38](//sidclasses.in/wp-content/plugins/a3-lazy-load/assets/images/lazy_placeholder.gif)
In Figure, are shown two arcs PAQ and 0 PBQuestion Arc PAQ is a part of circle with centre O and radius OP while arc PBQ is a semi-circle drawn on PQ as diameter with centre M. If OP = PQ = 10 cm, show that area of shaded region is 25(
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 38](https://www.learncbse.in/wp-content/uploads/2019/08/Important-Questions-for-Class-10-Maths-Chapter-12-Areas-Related-to-Circles-38.png)
Question 24.
In Figure, O is the centre of the circle with AC = 24 cm, AB = 7 cm and ∠BOD = 90°. Find the area of the shaded region. (Use π = 3.14).
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 39](//sidclasses.in/wp-content/plugins/a3-lazy-load/assets/images/lazy_placeholder.gif)
In Figure, O is the centre of the circle with AC = 24 cm, AB = 7 cm and ∠BOD = 90°. Find the area of the shaded region. (Use π = 3.14).
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 39](https://www.learncbse.in/wp-content/uploads/2019/08/Important-Questions-for-Class-10-Maths-Chapter-12-Areas-Related-to-Circles-39.png)
Question 25.
In Fig., AB and CD are two diameters of a circle with centre 0, which are perpendicular to each other. OB is the diameter of the smaller circle. If OA = 7 cm, find the area of the shaded region. (Use π =227 )
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 41](//sidclasses.in/wp-content/plugins/a3-lazy-load/assets/images/lazy_placeholder.gif)
In Fig., AB and CD are two diameters of a circle with centre 0, which are perpendicular to each other. OB is the diameter of the smaller circle. If OA = 7 cm, find the area of the shaded region. (Use π =
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 41](https://www.learncbse.in/wp-content/uploads/2019/08/Important-Questions-for-Class-10-Maths-Chapter-12-Areas-Related-to-Circles-41.png)
Question 26.
In Figure, APB and CCD are semi-circles of diameter 7 cm each, while ARC and a BSD are semi-circles of diameter 14 cm each. Find the perimeter of the shaded region. [Use π =227 ]
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 43](//sidclasses.in/wp-content/plugins/a3-lazy-load/assets/images/lazy_placeholder.gif)
In Figure, APB and CCD are semi-circles of diameter 7 cm each, while ARC and a BSD are semi-circles of diameter 14 cm each. Find the perimeter of the shaded region. [Use π =
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 43](https://www.learncbse.in/wp-content/uploads/2019/08/Important-Questions-for-Class-10-Maths-Chapter-12-Areas-Related-to-Circles-43.png)
Question 27.
In Figure, ABCD is a trapezium of area 24.5 sq. cm. In it, AD || BC, ∠DAB = 90°, AD = 10 cm and BC = 4 cm. If ABE is a quadrant of a circle, find the area of the shaded region. [Take π =227 ]
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 45](//sidclasses.in/wp-content/plugins/a3-lazy-load/assets/images/lazy_placeholder.gif)
In Figure, ABCD is a trapezium of area 24.5 sq. cm. In it, AD || BC, ∠DAB = 90°, AD = 10 cm and BC = 4 cm. If ABE is a quadrant of a circle, find the area of the shaded region. [Take π =
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 45](https://www.learncbse.in/wp-content/uploads/2019/08/Important-Questions-for-Class-10-Maths-Chapter-12-Areas-Related-to-Circles-45.png)
Question 28.
Find the area of the minor segment of a circle of radius 14 cm, when its central angle is 60°. Also find the area of the corresponding major segment. [Use π =227 ]
Find the area of the minor segment of a circle of radius 14 cm, when its central angle is 60°. Also find the area of the corresponding major segment. [Use π =
Question 29.
Find the perimeter of the D shaded region in Figure, if ABCD is a square of side 14 cm and APB and CPD are semicircles. [Use π =227 ]
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 48](//sidclasses.in/wp-content/plugins/a3-lazy-load/assets/images/lazy_placeholder.gif)
Find the perimeter of the D shaded region in Figure, if ABCD is a square of side 14 cm and APB and CPD are semicircles. [Use π =
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 48](https://www.learncbse.in/wp-content/uploads/2019/08/Important-Questions-for-Class-10-Maths-Chapter-12-Areas-Related-to-Circles-48.png)
Question 30.
In Figure, OABC is a square of side 7 cm. If OAPC is a quadrant of a circle with centre O, then find the area of the sha- o ded region. [Use π =227 ].
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 49](//sidclasses.in/wp-content/plugins/a3-lazy-load/assets/images/lazy_placeholder.gif)
In Figure, OABC is a square of side 7 cm. If OAPC is a quadrant of a circle with centre O, then find the area of the sha- o ded region. [Use π =
![Important Questions for Class 10 Maths Chapter 12 Areas Related to Circles 49](https://www.learncbse.in/wp-content/uploads/2019/08/Important-Questions-for-Class-10-Maths-Chapter-12-Areas-Related-to-Circles-49.png)
Answers;