Question

A circular piece of glass has a radius of 0.8 meters. The glass sells for $4.60 per m².

What is the total cost of the circular piece of glass?

Use 3.14 for pi.

$2.01

$9.24

$23.11

$36.98

Answer 1

Yup its B i just took this test 

Answer 2

A=pi r^2

then use your rate of $4.60/m^2 and multiply that by your area.

A = 3.14 (.8^2)

Cost = 2.01 m^2 $4.60/m^2 = $9.24

So your answer would be B