Question

PQR is an Isosceles triangle. Segment PM is the median and altitude . If PM = 9cm,QR = 80 cm, find PR.​

Answer 1

Answer:

your answer was this

Step-by-step explanation:

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Answer 2

Answer:

Hey here you go

Step-by-step explanation:

(PQ)^2 + (PR)^2 = 2(PM)^2 +2(QM)^2

= 290 = 2(9×9)+2(QM)^2

= 290 = 162+2(QM)^2

=290-162 = 2(QM)^2

= 128 = 2(QM)^2

= 128/2 2(QM)^2

= 64 =2(QM)^2

=QM = 8

QR = 2(QM) = 2× 8= 16

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