Alternate interior angles are congruent. So, angle 3 = angle 7.
We see that vertical angles are congruent. So, angle 3 also = angle 5.
Alternate exterior angles are congruent.
So, angle 3 also = angle 1.
Answer:
LETS TAKE THEM DOWN!
Step-by-step explanation:
we know that
For a spherical planet of radius r, the volume V and the surface area SA is equal to

The
ratio of these two quantities may be written as

we know


therefore
the answer is

Answer:
40
Step-by-step explanation:
The range is the difference between the largest value and the smallest value in the data set.
minimum value = 21 and maximum value = 61
range = 61 - 21 = 40
Answer:
it's known as statistics
mean - The mean is what most people mean when they say 'average'. ...
mode - The mode is the number in a set of numbers which occurs the most. ...
median - The median of a group of numbers is the number in the middle, when the numbers are in order of magnitude.
Step-by-step explanation: