PQR is a triangle with altitudes QM and RN to sides PR and PQ respectively are equal. Show that
∆PQM ≅∆PRN
PQ=PR
Answers
Given : PQR is a triangle with altitudes QM and RN to sides PR and PQ respectively are equal.
To Find : Show that
∆PQM ≅∆PRN
PQ=PR
Solution:
∆PQM & ∆PRN
∠P = ∠P common
∠PMQ = ∠PNR = 90°
QM = RN Given
Hence ∆PQM ≅ ∆PRN
=> PQ = PR
Another way to show PQ = PR
Here if Triangle PQR
= (1/2) * PQ * RN = (1/2) * PR * QM
QM = RN
=> PQ = PR
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in figure 7.33 BD and CE are altitudes of triangle ABC such that BD ...
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in fig 7.33 ,BD and CE are altitudes of triangle ABC such that BD is ...
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Answer:
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.