Two sectors have the same central angle

MATHEMATICS · Single correct · CBSE · Mathematics · Areas Related to Circles · Areas Related to Circles

Problem

Two sectors have the same central angle, but the radius of the second sector is twice the radius of the first. What is the ratio of the area of the first sector to that of the second? (a) 1:21:2 (b) 4:14:1 (c) 1:41:4 (d) 1:31:3

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