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8cm. Since the area is found by the formula 'half the base times the height' In this case, the area is 52 - divide that by the height (13) this gives the result 4. times that by 2, and you have the answer 8.

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12y ago
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Q: What is the base lenghth of a triangal with an area of 52cm2 and ahight of 13cm?
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