Question

In triangle PQR angle p=40and angle q=85, find longest side of triangle

Answer 1

PQR=180*
p=40
q=85
r=180-(40+85)
=180-125
=55
r=55
p=40 q=85 r=55

the longest side is Q

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Answer 2

We known ,

angle P+ angle Q+angleR= 180

40 + 85 + angleR = 180

AngleR = 180 - 125

R = 55

Given that angle Q=85 which is largest angle . So QR is longest side .