Question

Give step by step solution ​

Answer 1

Step-by-step explanation:

1.

2x+3x+ x =180(sum of all angles of triangle is 180)))

6x=180

x=180/6

x=30° answer.

2.

pQ =pR

so,Q=R

= 50°

50+50+x =180

x=180-100=80 answer

like that you solve 3 and 4 question .

it is very easy, I hope you solve .