Special Properties, SMB-029

A regular nonagon is pictured below.

What is the value of `x`? (2 marks)

--- 4 WORK AREA LINES (style=lined) ---

Show Answers Only

`40^@`

Show Worked Solution

`text{Sum of exterior angles = 360°}`

`text{Since the nonagon is regular, all external angles are equal.}`

`:.x^{\circ}= 360/9 = 40^{\circ}`