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Mathematics 12 Online
OpenStudy (31356):

What is the area of the shape shown? @Abdulhameed

OpenStudy (anonymous):

hi! :D

OpenStudy (anonymous):

the shape ?

OpenStudy (31356):

OpenStudy (31356):

Here it is.. And hi! @MelissaHolmes ! :D

OpenStudy (31356):

A) 76 B) 270 C) 358 D) 540

OpenStudy (anonymous):

the area =11*18+9*8

OpenStudy (31356):

Thanks!

OpenStudy (anonymous):

yeah!

OpenStudy (anonymous):

area =270

OpenStudy (anonymous):

so its b

OpenStudy (31356):

I got it correct! :D Thanks Abulahmeed! :D

OpenStudy (31356):

Can you help me with this one too?

OpenStudy (anonymous):

u r welcome @31356 :)

OpenStudy (31356):

You have a square piece of cardboard that measures 14 inches on each side. To build a box, you cut congruent squares out of each corner of the cardboard. Use the picture to find the area of the cardboard you will use to build the box.

OpenStudy (anonymous):

the picture?

OpenStudy (31356):

OpenStudy (31356):

Here it is..

OpenStudy (anonymous):

270 cm^2

OpenStudy (31356):

A) 64 B)144 C)132 D)180

OpenStudy (anonymous):

so you could find the total area of the square and subtract the area of the other squares

OpenStudy (31356):

Thanks @RebeccaPink6398 ! :D

OpenStudy (31356):

Okay

OpenStudy (anonymous):

so u need to find the area after cutting or before cutting

OpenStudy (anonymous):

and @esamalaa was that for the previous question?

OpenStudy (rebeccapink6398):

lol for the medal?

OpenStudy (anonymous):

??

OpenStudy (31356):

Yes @RebeccaPink6398

OpenStudy (31356):

Yes @Abdulhameed

OpenStudy (anonymous):

after cutting @Abdulhameed ...

OpenStudy (31356):

After

OpenStudy (anonymous):

ok then as @MelissaHolmes said

OpenStudy (anonymous):

so the original area is 196

OpenStudy (31356):

Okay

OpenStudy (anonymous):

and the area of each little white square that you cut out is 16

OpenStudy (anonymous):

and there are 4 of those squares

OpenStudy (31356):

So 196/16 I think?

OpenStudy (anonymous):

so 16*4

OpenStudy (31356):

Never mind

OpenStudy (anonymous):

so 64

OpenStudy (anonymous):

the total area =14*14=196 the squares=4*16=64 the area =196-64

OpenStudy (31356):

Oh okay, thanks! :D

OpenStudy (anonymous):

so yeah like @Abdulhameed said

OpenStudy (anonymous):

:D

OpenStudy (31356):

Correct! :D

OpenStudy (anonymous):

=132

OpenStudy (31356):

How about this one:

OpenStudy (anonymous):

yay!!! that's good :D

OpenStudy (anonymous):

lol @MelissaHolmes like u said

OpenStudy (31356):

What is the area of hexagon ABCDEF?

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

ok

OpenStudy (31356):

OpenStudy (31356):

Thanks @Abdulhameed & @MelissaHolmes you both are such a big help here! :D

OpenStudy (31356):

No answer choices :(

OpenStudy (anonymous):

:D of course! :D

OpenStudy (anonymous):

that's ok

OpenStudy (31356):

I guess so :D

OpenStudy (31356):

So how are we suppose to solve this?

OpenStudy (anonymous):

so you find the area of each of the separate shapes and add them together.

OpenStudy (31356):

Okay

OpenStudy (anonymous):

first find the area of the rectangle and the area of the large triangle and the small triangle

OpenStudy (31356):

Okay

OpenStudy (31356):

Thanks @zepdrix for the medal! :D

OpenStudy (anonymous):

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