7) What is the height of the wheelchair ramp? Give your answer to the nearest tenth of a centimeter.
(Sorry I didn't put the 'a,b,&c)c² - b² = a²
80² - 79² = a²
(80x80) - (79x79) = a²
6400 - 6241 = a²
159 = a²
√159 = √a
12.6cm= a
Wednesday, January 6, 2010
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i think it's not suppose to be 79-79,it should be
ReplyDelete79 x 79. good job anyways.
thank you very much! I changed it.
ReplyDelete