Question 37

Jambmaths question: 

The angles of a polygon are given by 2x, 5x, x and 4x respectively. The value of x is

Option A: 

31°

Option B: 

30°

Option C: 

26°

Option D: 

48°

Jamb Maths Solution: 

Total sum of angles in 4 sided polygon is 360o$\begin{align}  & 2x+5x+x+4x=360{}^\circ  \\ & 12x=360{}^\circ  \\ & x=30{}^\circ  \\\end{align}$

Year of Exam: