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Mathematics 10 Online
OpenStudy (anonymous):

Can someone please help me with this? ^.^ Find the area of the trapezoid. Leave your answer in simplest radical form.

OpenStudy (anonymous):

OpenStudy (anonymous):

I don't know how to solve this, especially because I don't know the base!

OpenStudy (anonymous):

well the base is 19 ft ...

OpenStudy (anonymous):

....i meant the height O.e sorry

OpenStudy (anonymous):

are you familiar with the properties of a 45 -45 -90 triangle?

OpenStudy (anonymous):

Yes, but I don't know what the sides would be for it

OpenStudy (anonymous):

|dw:1376004692541:dw|

OpenStudy (anonymous):

|dw:1376004704383:dw|

OpenStudy (anonymous):

Yes I know, but I don't know the length for the legs to do this

OpenStudy (anonymous):

so, you know that the top line is 11 ft and the bottom line is 19 ft

OpenStudy (anonymous):

Yes :)

OpenStudy (anonymous):

if the base of the rectangle is 11 ft then what would the base of the triangle be

OpenStudy (anonymous):

remember that 19 ft is the base of the rectangle plus the base of the triangle

OpenStudy (anonymous):

so it would be 19-11, making the leg 8 then i would do 8√2???

OpenStudy (anonymous):

why? you only want the height

OpenStudy (anonymous):

you dont need to look at the hypothenuse

OpenStudy (anonymous):

hypotenuse being the slanted side

OpenStudy (anonymous):

I know....I've been exhausted sorry >.<

OpenStudy (anonymous):

|dw:1376004930520:dw| what is x?

OpenStudy (anonymous):

x is 8 that means the base is 8 ft and thus also means the height is 8 ft right?

OpenStudy (anonymous):

|dw:1376004978090:dw|

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