emmkitzman emmkitzman
  • 17-04-2020
  • Mathematics
contestada

find the area of a circle with a radius of 2.5 inches. round to the nearest tenth. use 3.14 for pi.

Respuesta :

Sarah06109
Sarah06109 Sarah06109
  • 17-04-2020

Answer:

a=19.6 inches^2

Step-by-step explanation:

The area of a circle can be found using

a=πr^2

We know the radius is 2.5, so we can substitute it in for r

We can also substitute 3.14 in for π

a=(3.14)*(2.5^2)

a=(3.14)*(6.25)

a=19.625

Round to the nearest tenth

a=19.6 inches^2

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