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

How do you do 720 divided by 10 with the exponet of 3
Madison was driving at 40 mph and went 80 miles. How long did it take madison?
In Latin America, what did land reform accomplish?
Which sign is the less sign and which one is the greater sign (can someone please tell me I really need help! and I never understand the signs!) is this greater
A rectangle has an area of 30 square units and a perimeter of 34 meters.what are the dimensions of this rectangle
Can you explain 3x+4/5=7/10. Solve
What is/was the American dream? I need at least 10 bullet points about what the American dream was please somebody help me
When 70,000 is written as 7.0 10^{n} what is the value of n ? Can you please explain with some details?
what creates more friction aluminum foil, wax paper or plastic wrap
On average Exante Express trains are 50km/hr faster than Paral passenger trains. A Paral passenger train requires 60% more time then Exante train to travel 1800