Question

In ∆PQR, PQ=4, QR=3, ∠ Q=90°, Find tan R

Answer 1

Answer:

Angle R = 45°

Step-by-step explanation:

The sum of the angles of a triangle gives 180°

So ∠Q = 90°

Then 180-90 = 90

So angle R = 90  ÷ 2 = 45°