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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
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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

User Satish Mallick
by
5.8k points

2 Answers

3 votes
Yup its B i just took this test 
User Mark He
by
6.2k points
4 votes
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
User Olantobi
by
4.9k points
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