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인기 있는 Word Problems >

The 지름 of a circle is 14 cm. Find its area in terms of pipi.

해법

T h e d iam e t er o f a c i rc l e i s 14 c m . F in d i t s a re a in t er m s o f p iπ .

해법

a re a : 49 π c m^{2}

+1

소수

153.93804 \dots

솔루션 단계

Given:

d iam e t er : 14 c m

주어진 원 영역

d = 14 : A = 49 π

a re a : 49 π c m^{2}

인기 있는 예

victoria invests 300 dollars into an account with 2.5% interest rate that is compounded semiannually. how much money will she have in this account if she keep it for 5 years The 차이 of 25 and three times a number is-14. What is the number?How long does it take an account with a principal of 600 to earn 120 in interest at a simple annual interest rate of 4%?the larger of two numbers is 12 more than the smaller. their sum is 84. find te numbers eleven more than a number is seven