In triangle pqr if PQ equal to 6 CM QR is equal to 12 cm and RP is equal to 6 root 3 centimetre then angle p
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Answer:
Given PQ=6 cm
PR=12 cm
sinR=
PR
PQ
=
12
6
=
2
1
sinR=sin30
o
R=30
o
∠PRQ=30
o
As ∠P+∠Q+∠R=180
o
∠P+90
o
+30
o
=180
o
∠P=180
o
−120
o
∠P=60
o
∠QPR=60
o
& ∠PRQ=30
o
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