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15 July, 20:00

The area of a trapezoid is 152. the height is 16 and the length of one of the sides is 6. find the length of the second parallel side.

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  1. 15 July, 22:37
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    Formula for trapezoid

    A=h * (b1+b2) / 2,

    b1 an db2 are the two lengths of the sides

    152 = 16 * (b1+6) / 2 = 8 * (b1+6) = 8*b1+48--> 8*b1=104, b1 = 104/8=13

    A = 16 * (6+13) / 2=16*9.5=152
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