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Answer:
25° is the right answer
i m very sure with this
hope it helps you.....
Answer:
25°
Step-by-step explanation:
Angle P+ Q = 70° .......(i)
Angle Q+ R = 135° .......(ii)
By adding , both the equations
P+Q+Q+R = 70°+135°
P+Q+Q+R = 205°
2Q + P + R = 205° ......(iii)
P+ Q+ R =180° .....(iv)
By subtracting eq. (iv) from eq.(iii) , we get
(2Q+ P+R) - (P+Q+R) = 205° - 180°
Q = 25°
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