gracealvarez504 gracealvarez504

04-10-2019
Mathematics

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The perimeter of a trapeziod is 39a - 7. Three sides have the following lengths: 9a, 5a + 1, and 17a - 6. What is the length of the fourth side?

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emily10898Emily10898 emily10898Emily10898

04-10-2019

Answer:

6a - 2

Step-by-step explanation:

Add all the sides, that are given to you, up

(9a) + (5a + 1) + (17a - 6)

(14a + 1) + (17a - 6)

31a -5

Then subtract it by 39a - 7

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

6a - 2

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