CBSE Class 10 Mathematics Areas Related To Circles Worksheet Set E

CBSE Class 10 Mathematics Worksheet - Areas related to Circles (4)

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Areas Related to Circles

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1.If the diameter of circle be d, then area of circle is

(A) d2 (B) d/22 (C) (D) None of these

2.Radius of a circle is 42 cm. An arc subtends an angle of 60°. What is the length of arc ?

(A) 22 cm (B) 44 cm (C) 66 cm (D) 88 cm

3.Radii of two concentric circle is 7 cm and 14 cm. The shaded area between them is equal to

(A) 42 (B) 84 (C) 21 (D) None of these

4.The area of a sector of a circle is th of area of circle what is angle made by sector?

(A) 80° (B) 70° (C) 60° (D) None of these

5.The circumference of a circle exceedsits diameter by 16.8 cm. Find the radius of circle.

6.A sector is cut off from a circle of radius 28 cm. The angle of the sector is 120 degrees.Find the length

of arc and area.

7.The length of minute hand of a clock is 21 cm. Find the area swept by the clock in 2 minutes.

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