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인기 있는 Word Problems >

The 원둘레 of a circle is 11pi m. What is the area, in square meters? Express your answer in terms of pipi

해법

T h e c i rc u m f ere n ce o f a c i rc l e i s 11 π m . Wha t i s t h e a re a, in s q u a re m e t ers ? E x p ress yo u r an s w er in t er m s o f p iπ

해법

a re a : 95.03 m^{2}

솔루션 단계

Given:

c i rc u m f ere n ce : 11 π m

주어진 원 반지름

C i rc u m f ere n ce = 11 π : r = 5.5

주어진 원 영역

r = 5.5 : A = 95.03317 \dots

a re a : 95.03 m^{2}

인기 있는 예

the quotient of a two and a number plus six what is the area of a circle if the 지름 is 18 If a circle has a 원둘레 of 13pi, what is its exact diameter?Jack is 18 years old. Katie is 32 years older than Jack. How old is Katie Bentley invested 430 in an account paying an interest rate of 2.5% compounded continuously. Assuming no deposits or withdrawals are made, how long would it take, to the nearest year, for the value of the account to reach 510?