Respuesta :

amuratov

Answer:

30

Step-by-step explanation:

[tex]1)\ A_1 = b * h = 4 * 5 = 20\ ft^2[/tex]

[tex]2)\ A_2 = \frac{b*h}{2} = \frac{4*5}{2} = \frac{20}{2} = 10\ ft^2[/tex]

[tex]3)\ A = A_1 + A_2 = 20 + 10 = 30\ ft^2[/tex]

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