216k views
2 votes
Solve for x.

Solve for x.

Solve for x. Solve for x.-example-1
User BBlake
by
5.4k points

2 Answers

3 votes

Answer is:

x = 20. hope this helps

User MMontu
by
5.7k points
3 votes

Answer:

20

Explanation:

x is the radius of the circle. The tangent line is perpendicular to the radius line at that point. Using Pythagorean theorem:

x² + 15² = (x + 5)²

x² + 225 = x² + 10x + 25

225 = 10x + 25

200 = 10x

x = 20

User ChristiaanV
by
5.4k points