Question

Calculate the values of the unknown in each of the following diagrams.

Answer 1

Sum of all angles $=x+3x+4x=8x$

$\therefore 8x={180}^{\circ }$ Given

$\therefore x=\frac{180}{8}={25}^{\circ }$

$\therefore$ Angles are $={25}^{\circ },{75}^{\circ },{100}^{\circ }$