Wednesday, January 6, 2010

Scribe Jan 6 2010!


7. - What is the height of the wheelchair ramp? Give your answer to the nearest tenth of a centimeter.
a² = c²- b²
a² = 80cm² - 79cm²
a² = (80x80) - (79x79)
a² = 6400cm - 6241cm
a² = 159cm
√a² = √159
a = 12.6cm
The height of the ramp is 12.6 cm tall.
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1 comment:

  1. AnonymousJanuary 11, 2010 at 6:51 PM

    Good job Justin! I like the picture and how you showed all of your work to make it understandable. :)

    ReplyDelete

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