If the sum of interior angles of a polygon is 16 right angles, then it has ___ sides.
Square
Circle
Rhombus
Trapezium
Sum of interior angles of a polygon with n-sides = (2n−4)×90°
(2n−4)×90° = 16 right angles
(2n−4)×90° = 16 x 90°
2n - 4 = 16
2n = 20
n = 10
If the sum of the interior angles of a polygon is 1440∘, then it has ___ sides.
If the sum of interior angles of a polygon is 1620∘, then the polygon has ___ sides.