Question

(a) 80 m
(b) 802 m
(c) 40
3. If the sides of areas of two circie
Or areas of two circles is 1 : 16, then ratio in their perimeters is
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Answer 1

Answer:

22/7×r²:22/7×R²=1:16

r:R=1:4

so 1:4 is the ratio of perimeter