emestrella
emestrella emestrella
  • 04-03-2020
  • Mathematics
contestada

Can someone help me with this? I don’t need an explanation I just need the answer thank you :)

Can someone help me with this I dont need an explanation I just need the answer thank you class=

Respuesta :

amna04352
amna04352 amna04352
  • 04-03-2020

Answer:

87.92 in²

Step-by-step explanation:

pi × (R² - r²) = area

Where R is the radius of the outer circle and r of the inner circle.

Since C = 2pi×r

37.68 = 2×3.14×r

r = 6 in

R = 6 + 2 = 8 in

Therefore,

pi × (R² - r²) = area

Area = 3.14 (8² - 6²)

= 87.92 in²

Answer Link

Otras preguntas

A number, y, is equal to twice the sum of a smaller number and 3. The larger number is also equal to 5 more than 3 times the smaller number. Which equations rep
The latest new party formed in the united states in an election year was
What was the name of the land bridge that scientists believe early humans crossed over to migrate to North America?
what is the value of tan x ?
What are the stems for the data set 54, 43, 58, 25, 67, 36, 61?
What was the law system spread over europe by napoleon called?
Difference between driving and newsboy cap
Janelle tracks the number of miles she drives and the number of gallons of gas she has left. What is the linear regression model for this scenario?
Hello there ^ _ ^ I am not sure how to solve this thing - May you help me please ? Thanks~
Janelle tracks the number of miles she drives and the number of gallons of gas she has left. What is the linear regression model for this scenario?