jamesolubire jamesolubire

23-04-2022
Mathematics

contestada

The circumference of a circle is 18π ft. What is the area, in square feet? Express your answer in terms of \piπ.
HELp pls

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

23-04-2022

Answer:

A = 81 pi ft^2

Step-by-step explanation:

We know the circumference of a circle is given by

C = 2 * pi *r

18 pi = 2 * pi *r

Divide each side by 2 pi

18 pi / ( 2pi) = 2 pi r / ( 2pi)

9 = r

We can find the area by

A = pi r^2

A = pi ( 9)^2

A = 81 pi ft^2

Answer Link

Otras preguntas

Question 2 What was the only uplifting part of covering Hurricane Katrina, according to "Witness to the Tragedy"? A. The ease with which the people of New Orlea

Jen and Nikki are making bracelets to sell at the local market. They determined that each bracelet would have eight beads and two charms.

The upcoming question might make some uncomfortable. M: little girl Dad: Dad M’s dad hits her and flicks her. She attacks back because she thinks it’s a game an

A rectangle has an area of . Use factoring to find possible dimensions of the rectangle. Explain why you can use factoring to find the answer.

what is the local time of a place on longitude 64 ° East when GMT is 10 am?

find the area and the circumference of a circle with radius 7 m Use the value 3.14, and do not round your answer. Be sure to include the correct units in your a

What effect does a company's sale of equipment have on the equipment's accumulated depreciation on the balance sheet? A. It is increased by the sale value. B. I

what is the velocity ratio of n inclined plane? Write

What negative things occurred as a result of the railroad? Explain your answer.

Lines are drawn on the gym floor for different sports for basketball playing area is marked so that there is an out of bounds. 2 m wide around the gym the gym i