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인기 있는 Word Problems >

The 원둘레 of a circle is 20𝜋 inches. What is the area?Give the exact answer in simplest form.

해법

T h e c i rc u m f ere n ce o f a c i rc l e i s 20​𝜋 in c h es . Wha t i s t h e a re a ? G i v e t h e e x a c t an s w er in s im pl es t f or m .

해법

a re a : 100 π in c h^{2}

+1

소수

314.15926 \dots

솔루션 단계

Given:

c i rc u m f ere n ce : 20 π in c h

주어진 원 반지름

C i rc u m f ere n ce = 20 π : r = 10

주어진 원 영역

r = 10 : A = 100 π

a re a : 100 π in c h^{2}

인기 있는 예

solve for x, The 차이 of the square of a number and 4 is equal to 3 times that number If you invest 10,000 at an interest rate of 5.2%, determine the total amount after 5 years compounded annually.the sum of two numbers is 34. the second number is 6 less than the first number One-sixth equals the quotient of a number and 30 Three more than the product of a number and 5 equals 2