Area related to circles

Assessment

•

Padmapriya Balasubramanian

•

Mathematics, English

•

10th Grade

•

25 plays

•

Medium

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10 questions

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1.

Multiple Choice

30 sec

1 pt

The region bounded by two radii and corresponding arc of a circle is

A) Segment

B) Sector

C) Area

D) Perimeter

2.

Multiple Choice

30 sec

1 pt

Angle of the sector is 90°then the ratio of Area of circle to area of sector is

A) 1:4

B) 1:2

C) 4:1

D) 2:3

3.

Multiple Choice

30 sec

1 pt

If the sum of areas of two circles with radii R₁ and R₂ is equal to the area of the circle of radius R then

R₁ + R₂ = R

(R₁)² + (R₂)² = R²

R₁ + R₂ < R

(R₁)² + (R₂)² R²

4.

Multiple Choice

30 sec

1 pt

The radii of two concentric circle are 7cm and 14cm. What is the ratio of their areas?

A) 1:4

B) 1:2

C) 4:1

D) 2:3

5.

Multiple Choice

30 sec

1 pt

Area of circle is 154cm², and Area of minor sector is 7.7cm², then calculate area of major sector of circle.

A) 145 cm²

B) 146.3 cm²

C) 77 cm²

D) 147 cm²

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