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Mathematics 20 Online
OpenStudy (anonymous):

http://awesomescreenshot.com/0111tlcu1c

OpenStudy (anonymous):

plz help!

OpenStudy (anonymous):

A

OpenStudy (anonymous):

Because the formula for area is A= 1/2 b x h. The base would be b. The height would be b-5. So you plug them into the formula.

OpenStudy (anonymous):

The area of a Triangle is: 0.5bh where b = base and h = height. If the base is x, then the height is x-5. Letter A gives 42 = 0.5(x)(x-5)

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