Perimeter of a trapezoid is 39a-7. Three sides have the following length 9a, 5a+1, and 17a-6 what is the length of the fourth side

Manjeet Singh asked Nov 13, 2022

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Manjeet Singh asked Nov 13, 2022

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8 votes

Answer:

4th side is 8a-2

Explanation:

P = 39a-7 - ((17a-6) + (9a) + (5a+1))

P = 39a-7 - (31a-5)

P = 8a-2

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