The lid of a silver container is in the shape of trapezoid. Find the area of the lid.

24 sq in

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22 sq in

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15 sq in

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18 sq in

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Solution

The correct option is C 15 sq in
The given figure is in the form of trapezoid.

Height of the trapezoid = 3 in

Lengths of the parallel sides = 4 inches and 6 inches

Area of trapezoid = $\frac{1}{2}$ $\times$ (sum of parallel sides) x height

= $\frac{1}{2}$ $\times$ (4+6) x 3

= $\frac{1}{2}$ $\times$ (10) x 3

= 15 sq in

Hence, the area of the lid = 15 sq in.

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