Find k in tri angle PQR PM is median through P and F is mid point of PM QF produce and PR at G such that PG=KPR
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Answer:
Since the point D is mid point of side QR
It is the median of side QR
Since the line PD is ⊥ of side QR
It is the altitude of side QR
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Answer:
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Step-by-step explanation:
In △PQR,
M is the midpoint of side QR ........ given
∴ PM is the median of the triangle.
By Apollonius theorem,
PQ
2
+PR
2
=2PM
2
+2QM
2
11
2
+17
2
=2PM
2
+2(
2
1
QR)
2
121+289=2PM
2
+2(6)
2
410=2PM
2
+72
2PM
2
=338
PM
2
=169
∴PM=13 cm ........Taking sq. roots
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