Question

geometry, measurement, data analysis
area of a triangle
find the area of the triangle below.
be sure to include the correct unit in your answer.

Explanation:

Step1: Recall area formula

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

Step2: Identify base and height

The base of the triangle is 11 ft and the height is 9 ft.

Step3: Calculate the area

$A = \frac{1}{2}\times11\times9=\frac{99}{2}= 49.5$ square - feet.

Answer:

$49.5\ ft^{2}$