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The area of any triangle is 1/2 of (length of the base) multiplied by (the height).

Perhaps you can handle it from there.

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Q: What is the are of a right triangle with a base of 15 and a height of 20?
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What is the area of equilateral triangle with height is 20 and Base is 15?

An equilateral triangle with a height of 20 has a base of 23.1 (23.09401), not 15. If the base is 15 then the height will be 13 (12.99038).


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The area of a triangle is (1/2) x (length of the base) x (height of the triangle). You ought to be able to handle it from this point.


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