Need help with math

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asked Apr 10, 2020 9.0k views

2 Answers

Saalon · Answer 1 · 2020-04-13T14:16:11+0000

So you use the idea of similar triangles. The ratio of the sides for big triangle:little triangle is 20:5 (simplified to 4:1). To find x, you use this ratio - 52/4 = 13 so x=13

Need help with math

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