Question

please tell me this solution​

Answer 1

Step-by-step explanation:

a) 3x+x=180 angle dca is equal to angle bal

x=45 and angle bal + angle bac =180

b) 3x=90 angle qpr is equal to angle srp

x=30

c) 2x+15+x+15=180 angle sef =angle qed

3x+30=180 angle dep + angle deq = 180

3x=150

x= 50

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