Answer:
im pretty sure it’s a line graph
Step-by-step explanation:
it would make the most sense because the years are going in chronological order
Hills, mountains and rivers.
I think it’s 8/55=4/x
So it’s 8x=4(55)
8x=220
x=220/8
x=27.5
R=120 mm
diameter 240
so your answer is 120mm
