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Jim uses three logs to mark the perimeter of his triangular flower bed.

One side of the flower bed is 6 feet long and another side is 9 fee...

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Jim uses three logs to mark the perimeter of his triangular flower bed.

One side of the flower bed is 6 feet long and another side is 9 feet long.
Which could be the length in feet of the other side?
A. 2 B. 3 C. 13 D. 15

Answer

Imagine you lay the 9 and 6 logs side by side.
The 6 is 3 feet short of the 9.
This rules out two as it is 1 foot short.
3 is also ruled out as there would be no dimension to the flower bed - it would be impossible to make a triangle.
Now do the reverse - use on of the remaining logs to test if they would work.
Try 15 9 + 6 = 15 but we're looking to make a larger number 9 + 6 = 15 > 13 feet The only log it can be is C 13 feet.

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Virtual Teaching Assistant: John B.
Question Level: Basic
Karma: Free
Upload Date: 5/31/2017

This 49 words question was answered by John B. on StudySoup on 5/31/2017. The question contains content related to Math Since its upload, it has received 572 views.

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