Answer:
r = -31
Step-by-step explanation:
The picture is how I solved it.
The correct name is the right triangle
Lines BC are equal to or congruent to AD, because the tick marks show they are equal to each other in size. Therefore, they are congruent.
DIY. I believe in you, its just a matter if you believe in yourself. Your welcome
Answer:
6.47
Since it's just asking for the other side of the diameter, it's equivalent to the radius given already.