Question

Find the value of x.

Answer 1

$\large \mathfrak{Solution : }$

The given pair of angles are vertical opposite angle pair so, they are equal. i.e

• $(x + 90)\degree = 4x\degree$

• $(4x - x) \degree= 90\degree$

• $3x\degree = 90\degree$

• $x\degree = \dfrac{90\degree}{3\degree}$

• $x\degree = 30\degree$