Question

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PLEASE PLEASE PLEASE HELP!!
Can someone please help me with this problem ? I'll seriously appreciate it, and thank you so so so much in advance!!
DON'T ANSWER IF YOU'RE UNSURE!!! I need actual help, please don't just take my points. (: Thank you!

Answer 1

The height (2.8) is called the apothem.
The 4 in is the length of the one side.
Since this is a REGULAR polygon we know that all angles and all sides are congruent.
The formula for finding the area is:
Area = (a * p)/2
Area = (2.8 * 20)/2
Area = 28 in^2