English
Linka
15

A certain regular polygon has sides of length 10 cm; its apothem is 12.1 cm. The polygon’s area is 484 cm². How many sides does the polygon have?

+1
(1) Answers
FlorineCrayton

First, we need to know the area of one triangle of that polygon. We have apothem 12.1 cm Length of one side is 10cm Area = bh/2 Area = 10*12.1 / 2 Area = 60.5 cm^2 Let us get the number of polygons by = 484 / 60.5 = 8 So the polygon has 8 sides.

Add answer