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 = (90\degree)/(3\degree)`

• 
  `x\degree = 30\degree`