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Popolare Word Problems >

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

Soluzione

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 .

Soluzione

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

Fasi della soluzione

Given:

d iam e t er : 3 m

Area della superficie della sfera dato

d = 3 : A = 9 π

s u r f a ce a re a : 9 π m^{2}

Arrotonda

9 π

al più vicino \mathrm{decimo}:

28.3

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

Esempi popolari

The sum of seven and a number, x, is six.Suppose Leila places 7500 in an account that pays 11 interest compounded each year. Assume that no withdrawals are made from the account. Follow the instructions below. Do not do any rounding. Find the amount in the account at the end of 1 year.Lauren's age is half of Joe's age. Emma is four years older than Joe. The sum of Lauren, Emma, and Joe's age is 74. How old is Joe?a number equals six less than four times a number the product of the number and eight