The area of this circle is 72 m² What is the area of a 45° sector of this circle?

asked Jun 16, 2020 23.5k views

5 votes

The area of this circle is 72 m²
What is the area of a 45° sector of this circle?

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3 votes

it is 9 meters because 45÷360 is 0.125 and 0.125 as a fraction is 1/8. 72 ÷ 8 equals 9, therefore the answer is 9

Jamesmhaley answered Jun 17, 2020

6.0k points

7 votes

Answer:

9 m²

Explanation:

The area (A) of a sector of a circle is

A = area of circle × fraction of circle

= 72 ×
(45)/(360)

= 72 ×
(1)/(8) = 9 m²

Phil Birnie answered Jun 23, 2020

6.6k points

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