Question

solve question 20.........
step by step

Answer 1

Answer:

Step-by-step explanation:

Answer 2

In order for the line to be a straight line ...the sum of the angles must be 180°.

therefore (3x-10)+2x should be equal to 180°.

That is, (3x-10)+2x =180°

On solving,3x+2x-10=180

5x-10=180

5x=180+10=190

X=190÷5

X=38°