Question

in triangle pqr PQ is equal to p r prove that angle R is equal to angle q​

Answer 1

Answer:

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Step-by-step explanation:

Given, in △PQR,PQ=PR

Therefore, △PQR is an isosceles triangle with equal base angles, ∠Q=∠R.

Exterior ∠R=100

Therefore, PRQ=80

As angles Q and R are equal, ∠PQR=80

∠P+∠Q+∠R=180

∴∠P=20

i.e. ∠QPR=20