In the adjacent figure, m//QR, then the measure of QPR is
P
m
X
50°
45°
Q
R
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Given :-
- In figure , MN is parallel to QR.
- PQ = PR
- ∠LMN = 65°.
To find :-
- The measure of ∠QPR ?
Solution :-
given that, MN || QR,
So,
→ ∠LPN = ∠PQR { corresponding angles .}
→ ∠PQR = 65°
Now, in ∆PQR ,
→ PQ = PR { given. }
So,
→ ∠PQR = ∠PRQ { Angle opposite to equal sides are equal. }
→ ∠PQR = ∠PRQ = 65°
Now, by angle sum Property ,
→ ∠PQR + ∠PRQ + ∠QPR = 180°
→ 65° + 65° + ∠QPR = 180°
→ 130° + ∠QPR = 180°
→ ∠QPR = 180° - 130°
→ ∠QPR = 50° (Ans.)
Hence, The measure of ∠QPR is 50° .
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well the answer 50dreeg
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