Answer:
( 3 , -5 )
Step-by-step explanation:
Given:
The height of the given trapezoid = 6 in
The area of the trapezoid = 72 in²
Also given, one base of the trapezoid is 6 inches longer than the other base
To find the lengths of the bases.
Formula
The area of the trapezoid is

where, h be the height of the trapezoid
be the shorter base
be the longer base
As per the given problem,

Now,
Putting, A=72,
and h=6 we get,

or, 
or, 
or, 
or, 
or, 
So,
The shorter base is 9 in and the other base is = (6+9) = 15 in
Hence,
One base is 9 inches for one of the bases and 15 inches for the other base.
Answer: D 20in2
Step-by-step explanation:
Answer:
<h2>9p</h2>
Step-by-step explanation:
9p - 8 + 8
9p - 0
9p
-8 + 8 cancel out.
9p is a variable, and its own term with no like terms. so you leave it alone.
That gives you 9p
Hope that helps!