Question

The measure of the angles of a triangle are in the ratio of 3:5:1. (1)
Name the property of the triangle used to find the value of the angles, (ii)
Find the measure of angles.

Answer 1

Answer:

Angles are a=3x,b=5xand c=1x

then angle a=60' angle b=100' angle c=20'.sum of all angles of triangle add up to 180' property is used.