Answer:
130 degrees
Step-by-step explanation:
arc CA is 50 since the angle is 50 and then you would subtract from 180 since it is half the circle which leaves you with C, or 130 degrees.
Answer:
$2.25
Step-by-step explanation:
73.80/32.8
A regular pentagon has five equal sides, and the perimeter is all of the sides of one figure added together. So, to find what each individual side equals we have to divide the perimeter by five. 10s-20/5=2s-4.
Each side is 2s-4
If R = 9, then you just add 15+9 = 24 that is my answer
