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 chu vi of a circle is 19pi ft. What is the area, in square feet? Express your answer in terms of pipi

Lời Giải

T h e c i rc u m f ere n ce o f a c i rc l e i s 19 π f t . Wha t i s t h e a re a, in s q u a re f ee t ? E x p ress yo u r an s w er in t er m s o f p iπ

Lời Giải

a re a : 283.53 f t^{2}

Các bước giải pháp

Given:

c i rc u m f ere n ce : 19 π f t

Bán kính đường tròn đã cho

C i rc u m f ere n ce = 19 π : r = 9.5

Diện tích hình tròn đã cho

r = 9.5 : A = 283.52873 \dots

a re a : 283.53 f t^{2}

Ví dụ phổ biến

Find a positive real number such that its square is equal to 12 times the number, increased by 405.Find the amount Erica owes at the end of 22 years if 6200 is loaned to her at a rate of 4 % compounded monthly.Translate the following verbal statement to an algebraic equation.:8 less than the quotient of a number and 2 , is equal to 10.Kiara opened a savings account and deposited 600.00. The account earns 1% interest, compounded annually. If she wants to use the money to buy a new bicycle in 2 years, how much will she be able to spend on the bike?The chu vi of a circle is 87.92 yards. What is the circle's radius?