9/15 as a percent is 60%, so D.
4 1/5 as a percent is 420%, so B.
Answer:
Step-by-step explanation:
we know that
An equilateral triangle has three equal sides and three equal interior angles (the measure of each interior angle is equal to 60 degrees)
see the attached figure to better understand tyhe problem
Let
h ----> the height of an equilateral triangle
b ---> the length side of an equilateral triangle
In the right triangle ABD
Applying the Pythagorean Theorem

substitute the given values

square root both sides
Answer:
Step-by-step explanation:
Answer:
e
Step-by-step explanation:
50 and 40
Work out length of one second by dividing by 525600, then multiply that answer by 8.333. Answer should be 93026473.1507 miles