The equation to find the area of a triangle is 1/2BxH.
Your base is 30ft. Your height is 25ft.
So 1/2 of 30... then multiply that by 25. And that is your answer.
Make sure your answer is in ft.^2.
[Sorry- but we're not supposed to give out answers to homework questions- but I set it up for you and it should be pretty easy from there =D]
--Jack
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