the area of sector with radius 7cm is 25.67cm² find measure of the sector o-MBN (CENTRAL ANGLE FIND)
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Answer:
radius = 7cm
let angle be ∅
the area of sector = 25.67cm²
⇒∅/360 × πr² = 25.67cm²
⇒∅ = 25.67×360×7
22×7×7
⇒∅ = 60.007 ≈ 60°
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