Answer:
99 cm^2
Explanation:
Since the area of a triangle is simply base x height / 2, we can just plug in the numbers.
18 x 11 = 198
198/2 = 99
Thus, our area is 99 cm^2
Answer: Area=99cm³
A=(b*h)/2
A=(18*11)/2
A=198/2
A=99cm³
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