Answer:
Step-by-step explanation:
We can use distance formula and find the length of AB , BC, CD and DA.
Then using this length we can prove that AB = CD and BC = DA
Answer: 16.
Step-by-step explanation:
All angles in any pentagon add up to 540 degrees.
As such, you can represent each angle in an equation in which the sum of all the angles is 540, as follows:

Answer:

Step-by-step explanation:
We begin with the equation
for which we need to solve for a.
The first thing that we can do is to factor out the a from both terms on the left side of the equation

Then we can divide each side by
to isolate a
