Question

A sector with a radius of 8 cm has a central angle measure of 225

What is the area of the sector?

Answer 1

40pi cm^2

Explanation:

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Answer 2

≈ 125.66 cm²

Explanation:

The area (A) of the sector is calculated as

A = area of circle × fraction of circle

= πr² ×
`(225)/(360)`

= π × 8² ×
`(5)/(8)`

= 64π ×
`(5)/(8)` = 8π × 5 = 40π ≈ 125.66 cm² ( to 2 dec. places )