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Popolare Word Problems >

The circonferenza of a circle is 23pi cm. What is the area, in square centimeters? Express your answer in terms of pipi.

Soluzione

T h e c i rc u m f ere n ce o f a c i rc l e i s 23 π c m . Wha t i s t h e a re a, in s q u a re ce n t im e t ers ? E x p ress yo u r an s w er in t er m s o f p iπ .

Soluzione

a re a : 415.48 c m^{2}

Fasi della soluzione

Given:

c i rc u m f ere n ce : 23 π c m

Raggio della circonferenaza data

C i rc u m f ere n ce = 23 π : r = 11.5

Area del cerchio dato

r = 11.5 : A = 415.47562 \dots

a re a : 415.48 c m^{2}

Esempi popolari

The sum of 4 consecutive integers is 354. What is the second number in this sequence?Three more than 4 times a number Tara deposits 5,000 in a certificate of deposit. The annual interest rate is 7% , and the interest will be compounded quarterly. How much will the certificate be worth in 10 years?The circonferenza of a circle is 4pipi ft. Find its diameter, in feet Calculate the amount of interest earned in 8 years on 13,000 deposited in an account paying 10% annual interest, compounded quarterly.