Ethan tracks how many kilometers he hikes each day. What is the total distance, in kilometers, of the three longest hikes?

A. 12

B. 13 & 6/8

C. 14 & 1/8

D. 20 & 6/8

i get you, what you should do is think of the positive things that would come out of it. it will make yours parents proud and raise your grade. you should always try and if you can't focus tell the teacher.

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).