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 radius of a 円 is 2 meters. What is the 円's area?

解

T h e r a d i u s o f a c i rc l e i s 2 m e t ers . Wha t i s t h e c i rc l e^{'} s a re a ?

解

a re a : 4 π m^{2}

+1

十進法表記

12.56637 \dots

解答ステップ

Given:

r a d i u s : 2 m

指定された円の面積

r = 2 : A = 4 π

a re a : 4 π m^{2}

人気の例

The perimeter of a rectangular garden is 364 feet. If the length of the garden is 99 feet, what is its width?The 直径 of a circle is 6 m. Find its area in terms of area The area of a circle is 4.5216 square inches. What is the circle's 円周?If a fair die is rolled 5 times, what is the probability, rounded to the nearest thousandth, of getting at most 2 fours?A principal 4800 of is invested at 3.25% interest, compounded annually. How much will the investment be worth after 8 years?