How to solve sum no 9 from the attachment given below??
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Answer:
which book is this???
Step-by-step explanation:
i want this...
Answered by
0
Step-by-step explanation:
Sum of all angles of a triangle is 180degree.
angle P +angle Q+angleR=180.........(i)
angle Q=angleR=2(angleP)
from (i)
2(angle P)+ 2( angle P) + angle P=180
5(angle P) =180
angle P =36
angle Q =2(angle P)
=2x 36
=72
angle R =angle Q
=72
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