ja

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

人気のある Word Problems >

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

解

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 .

解

a re a : 100 π in c h^{2}

+1

十進法表記

314.15926 \dots

解答ステップ

Given:

c i rc u m f ere n ce : 20 π in c h

指定された円の半径

C i rc u m f ere n ce = 20 π : r = 10

指定された円の面積

r = 10 : A = 100 π

a re a : 100 π in c h^{2}

人気の例

solve for x, The 差 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