- anonymous

What is the area of the polygon shown below?
http://prntscr.com/7anhsw

- katieb

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- JoannaBlackwelder

Can you split the figure into two rectangles?

- anonymous

Idk what you mean by that

- JoannaBlackwelder

|dw:1432882152651:dw|

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## More answers

- JoannaBlackwelder

|dw:1432882192457:dw|

- JoannaBlackwelder

See how I cut the figure into two rectangles?

- anonymous

Mhm where would the units go now?

- JoannaBlackwelder

What do you think? Give it a shot using my drawing :-)

- anonymous

|dw:1432882383425:dw|

- anonymous

I doubt that is it

- JoannaBlackwelder

That looks great overall! Can you find the area of the big rectangle?

- anonymous

126?

- JoannaBlackwelder

Yep, perfect!

- JoannaBlackwelder

There is one more length that you didn't draw that is important. Any ideas on what that is?

- JoannaBlackwelder

*that you didn't label

- anonymous

The length of the small square

- anonymous

Rectangle*

- JoannaBlackwelder

Yep. Any ideas on that?

- anonymous

8?

- JoannaBlackwelder

Hm, no, that's not what I get.|dw:1432882744702:dw|
So, the total is 18, and those two pieces are labelled.

- anonymous

Idk Im stumped with this one, my next guess would be half if 18 or 9

- JoannaBlackwelder

No, the smaller pieces add up to the whole side. So, 5+x+8=18

- JoannaBlackwelder

Do you see how I got the equation?

- anonymous

Slightly, so the length of the small rectangle woulf be 5?

- JoannaBlackwelder

Yep :-)

- JoannaBlackwelder

So, what is the area of the bottom rectangle?

- anonymous

20?

- JoannaBlackwelder

Nice! So, what is the area of the whole figure?

- anonymous

Would I multiply the two areas together?

- JoannaBlackwelder

No, sum them.

- anonymous

So my total area would be 146

- JoannaBlackwelder

Yep :-)

- anonymous

Thanks!

- JoannaBlackwelder

You're welcome!

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