Question

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Answer 1

Answer:

a )

b ) 35°

c ) 75°

Step-by-step explanation:

a ) Diagram is incomplete.

sorry I can't answer it.

b )

In triangle PQR,

P + R = RQS.....( by exterior angle property)

80° + x = 115°

x = 115° - 80°

x = 35°

c )

In Triangle ABC ,

B + C = DAC.....( by exterior angle property)

90° + x = 165°

x = 165° - 90°

x = 75°