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受欢迎的 Word Problems >

Find the surface area in square meters of a sphere with 直径 3 m. Round your answer to the nearest tenth of a meter.

解答

F in d t h e s u r f a ce a re a in s q u a re m e t ers o f a s p h ere w i t h d iam e t er 3 m . R o u n d yo u r an s w er t o t h e n e a res t t e n t h o f a m e t er .

解答

s u r f a ce a re a : 28.3 m^{2}

求解步骤

Given:

d iam e t er : 3 m

Sphere surface area given

d = 3 : A = 9 π

s u r f a ce a re a : 9 π m^{2}

Round

9 π

to the nearest tenth:

28.3

s u r f a ce a re a : 28.3 m^{2}

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