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Xelga [282]
3 years ago
15

How to solve this problem

Mathematics
1 answer:
mart [117]3 years ago
7 0
Simply make a proportion. x is the long side for the small triangle and 4 is the short side. x is the short side of the medium triangle and 9 is the long side. Your proportion should look like this x/4=9/x. The cross multiply to get x squared = 36 . x=6 You can also draw a grid if you were taught to do so in school.
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How do you find the perimeter
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The perimeter is 86 m.

When you add the 18 with the 11, you get the length of the bottom side, which is 29. When you add the nine and the 6, you get the length of the left side, which is 15. Now add everything together.

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Hope I helped. Good luck!! : )

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Please help me <br><br> 6th grade math
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