Question

Prove that the some of the angle of triangle is 180°​

Answer 1

Step-by-step explanation:

Constuct a ∆ give name a , b , c and a parallel line give name P and q as shown on picture¡

b and c || p and q

1 + 2 + 3 => 180° liner pair

Hence;

a + b + c => 180°