zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的 Word Problems >

The 半径 of a circle is 19 cm. Find its area in terms of pipi.

解答

T h e r a d i u s o f a c i rc l e i s 19 c m . F in d i t s a re a in t er m s o f p iπ .

解答

a re a : 361 π c m^{2}

+1

十进制

1134.11494 \dots

求解步骤

Given:

r a d i u s : 19 c m

给定

r = 19

的圆面积:

A = 361 π

a re a : 361 π c m^{2}

流行的例子

The 直径 of a circle is 6 cm. Find its area to the nearest tenth.The sum of two consecutive numbers is 35. What are the numbers?The 半径 of a circle is 16 in. Find its area in terms of pipi.“46 less than-8 times a number is the same as8 less than-6 times the number”Samuel invested 8,400 in an account paying an interest rate of 6.4% compounded quarterly. Assuming no deposits or withdrawals are made, how long would it take, to the nearest year, for the value of the account to reach 21,090?