Question

In ∆PQR; LP=30° PQ=PR Then find measurement of angleQ & angleR​

Answer 1

Answer:

Step-by-step explanation:

a triangle = 180 degree

then 180- 30 =    150

half of 150 = 75 degrees

angleQ = 75 degrees

angleR  = 75 degrees

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Answer 2

Answer:

We have,

According to given figure.

PQ=PR(giventhat)

QS=SR(Bydefinationofmidpoint)

PS=PS(Commonline)

Then,

ΔSPQ≅ΔSPR (BY congruency S.S.S.)

Hence, PS bisects ∠PQR by definition of angle bisector.

Step-by-step explanation:

Given that PQ=PR then ∠R=∠Q=x

∠P+∠Q+∠R=180°

x+x+40°

=180°

x=70°.

∠R=∠Q=70°.