The radius of the large sphere is twice the radius of the small sphere.

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The radius of the large sphere is twice
the radius of the small sphere.

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4 votes

Answer:

40 cm²

Explanation:

Given the ratio of radii = a : b , then

ratio of areas = a² : b²

Here ratio of radii = 1 : 2

ratio of areas = 1² : 2² = 1 : 4

Thus

surface area of large sphere = 4 × 10 = 40 cm²

Ruslangm answered Mar 14, 2022

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