Question

the diagram shows a regular pentagon with side length s. explore the area of this pentagon by following these steps.

1. press continue to partition the pentagon into five congruent triangles.
2. press continue to draw an apothem with length a.
3. based on the variables on the diagram, how can the area of the shaded triangle be determined?

area = 1/2sa

1. because the triangles are congruent, the area of the entire pentagon is equal to times the area of the shaded triangle.

0.5
2
5
check

Explanation:

Step1: Analyze the number of congruent triangles

The pentagon is partitioned into five congruent triangles.

Answer:

5