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OpenStudy (anonymous):
OpenStudy (mertsj):
Do you see two trapezoids there?
OpenStudy (anonymous):
yeah
OpenStudy (dean.shyy):
It looks like two trapezoids. So, you calculate both trapezoid areas and add them up together. To calculate a trapezoid area, you use the equation where you add the bases together and divide that by 2. Then you multiply that by the height.
OpenStudy (mertsj):
So use the area formula twice. What are the bases of the trapezoid on the left?
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OpenStudy (anonymous):
5 and 23?
OpenStudy (mertsj):
Yes. So add those together, multiply by the height and divide by 2
OpenStudy (anonymous):
okay
OpenStudy (anonymous):
@Mertsj okay i did that on both sides
OpenStudy (mertsj):
To get the total area, add those two together.
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OpenStudy (anonymous):
but i got really bug numbers and they are to high to be right
OpenStudy (mertsj):
23+5=28, 28 times 18=504, 504 divided by 2 = 252. Area of left trapezoid = 252
23+13=36, 36 times 14=504, 504 divided by 2 = 252. Area of right trapezoid = 252
252 + 252 = 504
OpenStudy (anonymous):
okay i got really big numbers..weird okay well i got it now...thank you! @Mertsj