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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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Step-by-step explanation:

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