Answer: 99 cm
Step-by-step explanation:
To calculate the area of a triangle, we use the formula:
A = H x B divided by 2
If we add our numbers shown, we get:
A = 18 x 11 = 198
198 ÷ 2 = 99
Therefore we get 99 as the answer.
Area = 99 cm
(Don't forget your unit)
