I think the shape is an right angel. And for the answer to h is 90° and i think for b it is 45°. I hope this helps :)
To simplify a fraction, divide numerator and denominator by
their greatest common factor.
The greatest common factor of 5 and 20 is 5 .
5/20 = 1 / 4
Step 1.
Calculate measure of angle α:

Step 2.
Calculate what fraction of the angle 360° is the angle α:

Step 3.
Calculate the circumference of the Earth (circle):

Step 4.
The length of arc is equal 1/40 of the circumference:


<h3>Answer: A) 628 miles</h3>
Answer:
green=4/24 yellow=7/24 black=0/24 red, yellow=15/24
Step-by-step explanation:
It will be 165.85365853658536. Hope this helps !!