Question

Construct triangle P Q R such that /P Q/= 4cm /Q R/= 3cm /P R/= 5cm.
Measure :
a) Angle P Q R.
b) Angle P R Q.
c) Angle QPR.

Answer 1

this is a 3-4-5 right triangle ... Q is the right angle

Answer 2

tanR = QP/QR = 4/3
R = 53°
P = 90° - R = 37°