Question

The ratio of radii of two circles is 5: 4. Find the ratio of their areas​

Answer 1

Answer:

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25:16

Step-by-step explanation:

let the radii of the two circles be 5x and 4x

πr² = π(r1)²

(5x)² = (4x)²

25x² = 16x²

25:16

Answer 2

Answer:

Your answer is in attachment

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