use the formula for the area of a triangle to determine the area of a triangle with base qial to 13 yards and height equal to 5 yards.

a. 32.5 sq yards
b. 65 sq yards
c.18 sq yards
d. 27.5 sq yards.

To find the area of a triangle, you use the formula:

Area = 1/2 * base * height

Given the base is 13 yards and the height is 5 yards, you can plug these values into the formula:

Area = 1/2 * 13 * 5
Area = 1/2 * 65
Area = 32.5 sq yards

Therefore, the correct answer is a. 32.5 sq yards.