The length of r if AB is tangent to circle C, forming a right triangle is 8 units.
What is an equation?
An equation is an expression that shows the relationship between two or more variables or numbers.
From the diagram, using Pythagoras theorem:
BC² = AC² + AB²
17² = 15² + r²
r = 8 units
The length of r if AB is tangent to circle C, forming a right triangle is 8 units.
Find out more on equation at: https://brainly.com/question/2972832
#SPJ1
