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Popolare Word Problems >

The circonferenza of a circle is 8pi kilometers. What is the area?

Soluzione

T h e c i rc u m f ere n ce o f a c i rc l e i s 8 π ki l o m e t ers . Wha t i s t h e a re a ?

Soluzione

a re a : 16 π k m^{2}

+1

Decimale

50.26548 \dots

Fasi della soluzione

Given:

c i rc u m f ere n ce : 8 π km

Raggio della circonferenaza data

C i rc u m f ere n ce = 8 π : r = 4

Area del cerchio dato

r = 4 : A = 16 π

a re a : 16 π k m^{2}

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The differenza between a number, x, and twenty-three is three Leah is saving up money to buy a car. Leah puts 9,351.00 into an account which earns 4% interest, compounded quarterly. How much will she have in the account after 3 years?15 is 4% of what number 3 times a number minus 12 is equal to 5 times the number plus 15.You deposit 24.00 in an account earning 5% interest compounded monthly. How much will you have in the account in 155 years?