katelynndonovan79 katelynndonovan79
  • 02-09-2021
  • Mathematics
contestada

The circumference of a circle is 22π in. What is the area, in square inches? Express your answer in terms of \piπ.

Respuesta :

jimrgrant1 jimrgrant1
  • 02-09-2021

Answer:

A = 121π in²

Step-by-step explanation:

The circumference (C) of a circle is

C = 2πr ( r is the radius )

Here C = 22π , that is

2πr = 22π ( divide both sides by 2π )

r = [tex]\frac{22\pi }{2\pi }[/tex] = 11

The area (A) of a circle is

A = πr² = π × 11² = 121π in²

Answer Link

Otras preguntas

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?
how is mass transit in cities a possible solution tk urban air pollution?
How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?
How is it possible for Mercury to have frozen ice ?
Can someone use the word delta in a sentence
Which equation has the same y-intercept as y=4x-3?a. y-3=x              b. y=8x+3    c. 3-y=4x      d. y=-3+8xWhich of the following is the equation of the line
how is mass transit in cities a possible solution tk urban air pollution?
find an equivalent expression without parentheses -(50x-15y+15)=
Find Domain of the functionsquare root of (x-8)/x(x-9)
(10y^3+20y^2+55y)/5y