The diameter is 5.72958
(in order to find the diameter use the equation d= C/pi )
It’s A, C and D. Idk about explanations
Answer:
120
Step-by-step explanation:
6 x 6 = 36
6 x 7 = 42
42/2 = 21
21 x 4 = 84
84 + 36 = 120