Question

In a triangleABC,angleA+angleB=110,angleC+angleA=135. Find angleA

Answer 1

Answer: 65 degrees

Step-by-step explanation:

Given A + B = 110 ——(1)

C + A = 135———(2)

(1)+(2)——>

A+B+C+A=110+135

180+A=245 (since A, B and C are angles if a triangle A+B+C=0)

So A+245-180=65