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Please help!! find m
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Please help!! find m

Please help!! find m-example-1
User David Pham
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1 Answer

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Given that AC= AD and AB is a perpendicular bisector of CD,

7x + 3 = 5x + 9
2x = 6
x = 3

∠CAD = 7x + 3 + 5x + 9 = 7(3) + 3 + 5(3) + 9 = 48°

m∠C = (180 - 48) ÷ 2 = 66° | Isosceles Δ

Answer: 66° (Answer C)
User Sasuke
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