Question

find the area of the triangle below. be sure to include the correct unit in your answer. 15 yd 7 yd 21 yd

Explanation:

Step1: Recall area formula

The area formula for a triangle is $A=\frac{1}{2}\times base\times height$.

Step2: Identify base and height

The base of the triangle is 21 yd and the height is 7 yd.

Step3: Substitute values

$A = \frac{1}{2}\times21\times7$.

Step4: Calculate

$A=\frac{147}{2}=73.5$ square - yards.

Answer:

$73.5$ yd$^{2}$