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

The gases in the air attracted to earth by gravity form layers called the ____
why can parents who are heterozygous for type a and type b blood have children with any of the four human blood types?
What is a series of events that cells go through as they grow and divide
how is the expression of sex linked genes both  similar to and different from the expression of autosomal genes?
Why were the 1920's considered the best and worst of times?
How did Alexander the Great rise to power and how did he spread Greek culture to other lands?
What sorts of signals does the brain use to communicate sensations, thoughts and actions?
Rico is making4 batches of mexican rice. each batch needs 2/3cup of corn. He only has a1/3-cup measure.How manytimes must Rico measure 1/3cup of corn to have en
What is the main religion of Latin america
Which of the following is formed at a collision zone?Continental rift valleyVolcanic island chainMountain rangeDeep-ocean trench