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OpenStudy (anonymous):
Help please? X.X Bill designs a table with a glass top. What is the length of the side AB of the glass top?
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OpenStudy (anonymous):
i dont know what to do:( an explanation would be nice so i know how to do it next time :O
OpenStudy (phoenixfire):
angle A and angle D are the same, i think. so you can calculate the angle of D using a right angled triangle of base 4.5 and hyp of 5 then plug that angle into a right angle triangle up the top with hyp of 20 angle A=D and calculate the base, then multiply by 2 to get the full length of AB
OpenStudy (phoenixfire):
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