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fgiga [73]
4 years ago
11

I’m confused on this one

Mathematics
2 answers:
frozen [14]4 years ago
6 0
X=7 because when a radius and a tangent meet they form an isosceles triangle
sergeinik [125]4 years ago
5 0

You can use the pythagorean theorem on this problem because it is specified that the two lines are perpendicular. So, x^2+7^2=(x+5)^2

Then, continue to solve for x: x^2+49=x^2+10x+25

x^2=x^2+10x-24

0=10x-24

24=10x\\x=12/5

So the radius is 12/5, or 2.4 units

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