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인기 있는 Word Problems >

A circle has a 원둘레 of 28.26 units.What is the diameter of the circle?Use 3.14 for pi and enter your answer as a decimal.

해법

A c i rc l e ha s a c i rc u m f ere n ce o f 28.26 u ni t s . Wha t i s t h e d iam e t er o f t h e c i rc l e ? U se 3.14 f or π an d e n t er yo u r an s w er a s a d ec ima l .

해법

d iam e t er : \frac{28.26}{π}

+1

소수

8.99543 \dots

솔루션 단계

Given:

c i rc u m f ere n ce : 28.26

주어진 원 지름

C i rc u m f ere n ce = 28.26 : d = \frac{28.26}{π}

d iam e t er : \frac{28.26}{π}

인기 있는 예

William is going to invest in an account paying an interest rate of 2.5% compounded continuously. How much would William need to invest, to the nearest cent, for the value of the account to reach 4,700 in 14 years?3 less than the square of a number.If 2,000 is invested at 11% annual interest compounded quarterly, what is the account balance after 10 years, assuming no additional deposits or withdrawals are made?Find the simple interest when 100 is invested at 9% for 2 years Nathaniel is going to invest in an account paying an interest rate of 3.1% compounded quarterly. How much would Nathaniel need to invest, to the nearest ten dollars, for the value of the account to reach 5,700 in 17 years?