Answer:

Step-by-step explanation:
Given



Required
Calculate the perimeter of IJH
<em>See attachment for illustration</em>
From the attachment,
I = mid of FH.
So:



J = mid of GH.
So:



Perimeter IJH is then calculated as:



Answer: a = 24 units²
Step-by-step explanation:
Let us graph the figure given. This shape appears to be a trapezoid. Now, we can solve for the area. This shape also has a height of 4, which I forgot to show in the picture.
In the formula, h is the height, a is a base, and b is the other base.





Since there are 60 seconds in an hour, we know to divide by 105 by 60, which gives us 1.75. Then we round 1.75 to 2.
Therefore, his serve will travel 2 miles per second.