Write 2x2 about 20 times.
2 answers:
You might be interested in
Answer:
25,132.74 miles
Step-by-step explanation:
Hello!
We are basically asked to find the circumference of the Earth's cross-section.
Circumference:
We can replace 2r with the diameter, because the diameter is 2 times the radius.
Multiply the Diameter by pi:
It is around 25,132.74 miles around.
I hope this helps you
45km : 30 min = 180km : x
x = =
= 60*2 min = 120 min = 2h