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Mathematics 15 Online
OpenStudy (anonymous):

An irregular polygon is shown below: Image of irregular polygon with length of 9 units and height of 4 units labeled on left side. Top side length of 4 units, the side adjacent to it on the right is 2 units. The area of the irregular polygon is ____ square units. @PRAETORIAN.10 @iambatman @bohotness

OpenStudy (anonymous):

OpenStudy (anonymous):

Cut it and make two rectangles.

OpenStudy (anonymous):

Okay

OpenStudy (anonymous):

OpenStudy (anonymous):

Therefore giving us a square that is: Length of 4 * Width of 4 And a rectangle. To find the length, we subtract 9 - 4

OpenStudy (anonymous):

And what's that?

OpenStudy (anonymous):

I made another one just in case

OpenStudy (anonymous):

5, obviously >.<

OpenStudy (anonymous):

Yep, that would work too.

OpenStudy (anonymous):

Yes, so the length is 5. Now to find the width we can subtract 4 - 2

OpenStudy (anonymous):

2

OpenStudy (anonymous):

wait so, 10 for the length and width?

OpenStudy (anonymous):

The length is 5, and the width is 2.

OpenStudy (anonymous):

So we have a square with a side length of 2, and a rectangle with a length of 5, and a width of 2. Find the areas of both and add them. Area of a Square: \(A = s^2\) Where 's' is the length of the side. Area of a Rectangle: \(A = lw\) Where 'l' is the length, and 'w' is the width.

OpenStudy (anonymous):

Can you do that? @PoppyGirl63

OpenStudy (anonymous):

Sorry, I was checking something. It should be 14, right? @iGreen.

OpenStudy (anonymous):

Yep, sounds good to me.

OpenStudy (anonymous):

YUS! Thanks for the help.

OpenStudy (anonymous):

Np!

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