Respuesta :

Solution

Area of a trapezium = 1/2(a+b)h

height = 9

a = 6

b = 12

[tex]Area=\frac{1}{2}(a+b)h[/tex][tex]\begin{gathered} A=\frac{1}{2}(6+12)9 \\ A=\frac{1}{2}(18)9 \\ A=9(9) \\ A=81 \end{gathered}[/tex]

Therefore the correct value of Area = 81

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