Wednesday, January 6, 2010

Camille's scribe post for January 6, 2010

math text book question 7

7. What is the height of the wheelchair ramp? Give your answer to the nearest tenth of a centimetre.


c2 - b2 = a2
802 - 792 = a2
(80x80) - (79-79) = a2
6400 - 6241 = a2
159 = a2
√159 = √a2
12.6 cm= a





The height of the wheelchair ramp would be 12.6 cm tall




REMEMBER TO LEAVE A COMMENT AND STUDY FOR THE MATH QUIZ !

2 comments:

Alexander8-73 January 6, 2010 at 7:38 PM  

Nice Job Camille good job for making your own picture.

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