Answer:
The actual answer is 7/2
Step-by-step explanation:
Answer:
no
Step-by-step explanation:
perpendicular means that they intersect at a 90° angle
Assuming that CB is tangent, this is just a right triangle with a hypotenuse of 20 and a side of 12 so by the Pythagorean Theorem:
20^2=12^2+x^2
400=144+x^2
x^2=400-144
x^2=256
x=16
