Answer:
14 in.
Step-by-step explanation:
To find the diameter from the circumference you have to divide the circumference by pi
14
51.3
I will upload a photo soon, but it is from trig, and inverse cos.
13
3 x 3 = 9
7 + 3 = 10
7 + ? = 3 + 7 + 3 + 7
7 + ? = 20
? = 13
