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20 January, 16:35

A quadrilateral has a perimeter 36 cm. The side length are 12, 8, and 9. what is the length of the fourth side?

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  1. 20 January, 16:49
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    You have to add 12+8+9 which equals 29 then subtract 29 from 36 and get 7 so your answer is

    7 cm
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