Question

question 8 of 10 a pentagon can be divided into how many triangles by drawing all of the diagonals from one vertex? a. 3 b. 4 c. 5 d. 2

Explanation:

Step1: Formula for triangles in n-gon

Number of triangles = n - 2

Step2: Substitute n=5 (pentagon)

Number of triangles = 5 - 2 = 3

Answer:

A. 3