Question

Two angles of a triangle are 42° and 48°. Find the third angle and hence,
classify the triangle based on its:
a) sides
b) angles

Answer 1

Triangles angle = 180

First angle =42°

Second angle= 48°

Third angle =X

Add 42°+48°+x°=90+x°

180°=90°+x°

X= 180°-90°=90°