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>
Hello!
To find the side length you use the equation

a is side length
d is diagonal
Put in the number we know

Divide

Multiply
a = 19.091
The answer is 19.09
Hope this helps!
Answer:4
Step-by-step explanation:
check math way
Step-by-step explanation: it helps more then here
Answer:

Step-by-step explanation:

<h3>i) simplify the complex fraction</h3>

<h3>ii) simplify the equation using cross multiplication</h3>


<h3>iii) swap the sides of the equation</h3>

<h3>iv) divide both sides of the equation by -6</h3>


<h3>v) simplify the fraction</h3>
