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The Tripartite Struggle

Find the leng...

Question

Find the length of the side $D A$ if the perimeter of the trapezoid is $30$ units.

6

units

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7

units

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8

units

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5

units

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Solution

The correct option is A $6$ units

The perimeter of a trapezoid $= A B + B C + C D + D A$

$30 = 5 + 7 + 12 + D A$

$30 = 24 + D A$

$D A = 6$ units

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