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You use the formula: Area = (1/2) x (base) x (height).

Now you probably want me to solve it, and give you the answer too. OK.

(1/2) x (130) x (height) = 120

65 height = 120

height = 120/65 = 1.846 ft (rounded)

There you have it. Your triangle sits on a base that's 130-ft wide, and it has a height of less than 2-ft.

Beautiful.

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Q: How do you find height of a triangle that the base is 130ft and area is 120ft?
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