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The circumference of circle are in the ratio 3:4 find the ratio of their areas

Posted by Achala Singh 6 years, 9 months ago

CBSE > Class 07 > Mathematics

2 answers

Yogita Ingle 6 years, 9 months ago

Circumferencs ratio= 2πr₁/2πr₂
r₁/r₂=3/4
Area ratio = πr₁²/πr₂ ²
= r₁²/r₂²
= (r₁/r₂)²
= (3/4) ²
= 9/16

1Thank You

Harshit Swami 6 years, 9 months ago

3:4

1Thank You

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CBSE > Class 07 > Mathematics