glgriffin1 glgriffin1

24-07-2017
Mathematics

contestada

A 100-foot ramp is tilted at a 45° angle. How high is the top of the ramp from the ground?

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jdoe0001 jdoe0001

24-07-2017

check the picture below.

now, let's rationalize the denominator.

[tex]\bf \cfrac{100}{\sqrt{2}}\cdot \cfrac{\sqrt{2}}{\sqrt{2}}\implies \cfrac{100\sqrt{2}}{\sqrt{2^2}}\implies \cfrac{100\sqrt{2}}{2}\implies 50\sqrt{2}[/tex]

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