Question

using diagonals from a common vertex, how many triangles could be formed from the polygon pictured below? answer attempt 1 out of 3 submit answer

Explanation:

Step1: Count the number of sides of the polygon

The polygon has \(n = 7\) sides.

Step2: Use the formula for the number of triangles formed by diagonals from a common vertex

The formula is \(n - 2\). Substitute \(n=7\) into the formula: \(7 - 2\).

Answer:

\(5\)