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26-04-2021
Mathematics

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find the base of a traingle with area 20dm² and height 12 1/2dm

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sqdancefan sqdancefan

26-04-2021

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Answer:

32 dm

Step-by-step explanation:

Use the formula for the area of a triangle, and solve for the unknown.

A = 1/2bh

200 dm² = 1/2(12.5 dm)b

b = (200 dm²)/(6.25 dm) = 32 dm

The base of the triangle is 32 dm.

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