Answer:

Explanation:
Area of triangle is calculated by 1/2 * base * height. We have the values of base and height. Substituting the values in order to find area:
= 1/2 * base * height
= 1/2 * (2x + 3) * (5x)
= 1/2 * (10x² + 15x)
= 5x² + 15x/2
~Area of the triangle is 5x² + 15x/2 (ans)