Respuesta :

Answer:

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Answer:

Step-by-step explanation:

I'm assuming that the triangle legs are the same length. if that's the case, set 10 equal to the triangle are formula.

A = 1/2 * b * h

10 = 1/2 * 2b (since both legs are same length assuming)

20 = 2b

b = 10 square units

Hope this helps

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