Answer:
n = 32
Explanation:
The sum of the interior angles of an n-sided convex polygon is ...
angleTotal = 180°·(n -2)
Your angleTotal is 5400°, so you have ...
5400° - 180°·(n -2)
30 = n -2 . . . . . . divide by 180°
32 = n . . . . . . . . .add 2
The value of n is 32.