Answer:
1500 ft²
Explanation:
The area of the triangle is given by the formula ...
A = 1/2bh
For a base of 120 ft and a height of 25 ft, the area is ...
A = 1/2(120 ft)(25 ft) = 1500 ft²
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Additional comment
As you can see from the attachment, the area from side lengths is different. The actual height is not 25 ft, but is closer to 24.65 ft.