Ask your own question, for FREE!
Mathematics 20 Online
OpenStudy (anonymous):

What is the area of this regular polygon? A. 311.15 m2 B. 622.3 m2 C. 3034.5 m2 D. 6069 m2 http://static.k12.com/calms_media/media/1567000_1567500/1567384/1/ed07b9a47e6e624a753970e5cb5bb8df40a347e8/MS_IMB-1401012-1100703.jpg

OpenStudy (anonymous):

@AnswerMyQuestions

OpenStudy (sierra!):

base * hight

OpenStudy (anonymous):

867

OpenStudy (sierra!):

thats what i got too but its not there?

OpenStudy (sierra!):

wait

OpenStudy (anonymous):

Let me handle this. @sierra! :)

OpenStudy (sierra!):

that was for a parallelogram

OpenStudy (anonymous):

@pielover123 The formula for the area of a polygon is \(\dfrac{1}{2}\) x apothem x perimeter.

OpenStudy (anonymous):

First, what is the apothem, and what is the perimeter?

OpenStudy (anonymous):

@pielover123

OpenStudy (anonymous):

IM confused

OpenStudy (anonymous):

@AnswerMyQuestions

OpenStudy (anonymous):

Do you know what the apothem is?

OpenStudy (anonymous):

No

OpenStudy (anonymous):

The apothem is the line going to the middle of the polygon, do you see that?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Ok, so what is the value of the apothem, and what is the value of the perimeter?

OpenStudy (anonymous):

28.9 ?

OpenStudy (anonymous):

@AnswerMyQuestions

OpenStudy (anonymous):

Well, the perimeter is adding up all the sides, and since it has 7 sides of equal length, we can multiply 28.9 to get the perimeter.

OpenStudy (anonymous):

*we can multiply 28.9 x 7 to get the perimeter

OpenStudy (anonymous):

202.3 @AnswerMyQuestions

OpenStudy (anonymous):

Good. Since we know the formula for the area of a polygon, we can first multiply \(\dfrac{1}{2}\) to the apothem. Can you do that?

OpenStudy (anonymous):

101.5

OpenStudy (anonymous):

No, not the perimeter, multiply \(\dfrac{1}{2}\) to the apothem...

OpenStudy (anonymous):

Im confused

OpenStudy (anonymous):

Look at the polygon...What is the value of the apothem?

OpenStudy (anonymous):

28.9

OpenStudy (anonymous):

No, the apothem is the line going to the middle of the polygon

OpenStudy (anonymous):

oh ok it is 30

OpenStudy (anonymous):

Yes, so multiply 1/2 x 30...

OpenStudy (anonymous):

ok 15

OpenStudy (anonymous):

Yes, and multiply 15 to 202.3 to get your answer.

OpenStudy (anonymous):

3034.5

OpenStudy (anonymous):

Yes, so that is your answer.

OpenStudy (anonymous):

C.3034.5 m2

OpenStudy (anonymous):

:)

OpenStudy (anonymous):

Thanks!!

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!