Question

find angle ACD with using properties​

Answer 1

Answer:

Step-by-step explanation: ask Ur maths teacher she will help u

Answer 2

Answer:

ACD = CAB+ABC ( exterior angle of a triangle is the sum of the interior opposite angles)

(3x+5)°+ 90°= (7x-9)°

90= 7x-9-3x+5

90= 4x-4

90+4= 4x

94= 4x

94/4= x

x = 23.5

therefore ACD=(7×23.5-9)

164.5-9

ANS. is 155.5

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