vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến Word Problems >

The bán kính of a circle is 9 in. Find its area in terms of pipi.

Lời Giải

T h e r a d i u s o f a c i rc l e i s 9 in . F in d i t s a re a in t er m s o f p iπ .

Lời Giải

a re a : 81 π i n^{2}

+1

Số thập phân

254.46900 \dots

Các bước giải pháp

Given:

r a d i u s : 9 in

Diện tích hình tròn đã cho

r = 9 : A = 81 π

a re a : 81 π i n^{2}

Ví dụ phổ biến

which number is smallest between-871405 and-871504 what is the area of a 4 sided polygon inscribed in a circle with a bán kính of 5cm Simon has 9,538 in an account that earns 10% interest compounded annually.To the nearest cent, how much will he have in 5 years?The diameter of a circle is 13 in. Find its chu vi in terms of pipi.One number is five more than the double of a second number. Thrice the first is 7 less than 5 times the second. Find the numbers.