Respuesta :

Answer: [tex]400^{2}[/tex]

Step-by-step explanation:

First, write the formula:

A = (b × h) / 2

Next, multiply the base and the height of the triangle.

20 x 40 = 800

Finally, divide 800 by 2.

800/2=400

Therefore, the answer is [tex]400^{2}[/tex].

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