Answer:
formula is radius x radius x pi
divide and square root instead
78.5/3.14=25
25 square root is 5
5 + 5 = 10
10 is the diameter
Step-by-step explanation:
≈10 (9.9974648917468)
180 667 777 98827
Step-by-step
the graaph has three differnt lines that connet
sum means add
let n = the unknown number
so if 12 + n = x
then n would = 12-x