Question

please solve these questions​

Answer 1

(i)We know that sum of interior angels of a triangle is 180⁰.

So angle C = (180-105)⁰=75⁰

So angle A= 180⁰-(70+75)⁰=180⁰-145⁰=35⁰

So x will be (180-35)⁰=145⁰