zepedamegan29
zepedamegan29
15-04-2018
Mathematics
contestada
please help!! find m
Respuesta :
Аноним
Аноним
15-04-2018
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)
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