Question

A spherical orange has a diameter of 10 cm. What area of orange peel does it have, to the nearest square centimetre?

Answer 1

Answer:

√√ 314.16cm2

Step-by-step explanation:

A≈314.16cm²

d=Diameter 10cm

Using the formulas

A=4πr2

d=2r

Solving forA

A=πd2=π·102≈314.15927cm²

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Answer 2

Surface area of sphere = 4πr^2

Thus, area of orange peel = 4×3.14×25 = 314 cm^2.