(13)(1)
13
any number multiplied by 1 is itself
brainliest answer?
When applied to each other they are dependent
<h2>
Answer:</h2>
To solve this problem we will use Heron's formula:

Where
are the side lengths of the triangle and
is the semiperimeter (half the perimeter of the triangle). We know that:

Also:

Finally:

Answer;
If a person walks 2.4 miles in 10 minutes, how far can he walk in 1.5 hours?
---------------
1.5 hours = 90 minutes
That's 9x the time, so the person will walk 9x the distance.
2.4*9 = 21.6 miles.
11*2 = 22 (calculating the diameter)
Using πD for the area:
π * 22 = 22π
Getting 3/4 of the area because the dog can not move past the corners of the garage;
22π * 3/4 = 16.5π
Getting the answer in feet^2:
16.5 * 3.14 = 51.84 feet^2
Hope this helps! :)