Question

In triangle ABC, LA = 80 LB= 20
then the measure of LC equals
=?

Answer 1

Answer:

∠C = 80°

Step-by-step explanation:

∠A + ∠B + ∠C = 180°

80 + 20 + ∠C = 180

100 + ∠C = 180

∠C = 180 - 100 = 80

Therefore , ∠C = 80°