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 直径 of a circle is 20 kilometers. What is the area?

解

T h e d iam e t er o f a c i rc l e i s 20 ki l o m e t ers . Wha t i s t h e a re a ?

解

a re a : 100 π k m^{2}

+1

十進法表記

314.15926 \dots

解答ステップ

Given:

d iam e t er : 20 km

指定された円の面積

d = 20 : A = 100 π

a re a : 100 π k m^{2}

人気の例

If 4 less than the product of a number and 6 is 44, then what is the number?8 times the sum of twice a number and 5 A stereo that regularly sells for 130 is on sale for 60 percent off what is the sales price Malia is 46 years old. Zach is 28 years older than Joy and 17 years older than Malia. How old is Joy?The area of a circle is 144pi in². What is the 円周, in inches? Express your answer in terms of