Respuesta :

Answer:

Area[tex]=70in^2[/tex]

Step-by-step explanation:

The given diagram is a tra-pezoid.

The area of a tra-pezoid is calculated using the formula;

Area[tex]=\frac{1}{2} (Sum\:of\:parallel\:sides)\times height[/tex]

This implies that;

Area[tex]=\frac{1}{2} (8+12)\times 7[/tex]

Area[tex]=\frac{1}{2} (20)\times 7[/tex]

Area[tex]=(10)\times 7[/tex]

Area[tex]=70in^2[/tex]

The last choice is correct.

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