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ashleyb
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can someone please help me with this geometry question?? in right triangle ACE, line BD is parallel to line AE, and line BD is perpendicular to line EC at D. the length of line BD is 3 feet, and the length of line CD is 4 feet. what is the length in feet of line AE
 one year ago
 one year ago
ashleyb Group Title
can someone please help me with this geometry question?? in right triangle ACE, line BD is parallel to line AE, and line BD is perpendicular to line EC at D. the length of line BD is 3 feet, and the length of line CD is 4 feet. what is the length in feet of line AE
 one year ago
 one year ago

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ashleyb Group TitleBest ResponseYou've already chosen the best response.1
dw:1360370433442:dw
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
First you need to find BC
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
do you know how to do this?
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
good
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
now set up the following ratio AE/BD = AC/BC x/3 = 20/5 solve for x
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
you got it
 one year ago

ashleyb Group TitleBest ResponseYou've already chosen the best response.1
but why do u set up a ratio?
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
because the ratio of AE to BD is the same as the ratio of AC to BC
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
basically, to go from BD to AE, you multiply by 4 to go from BC to AC, you also multiply by 4
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
so the bigger triangle has side lengths that are 4 times larger than the smaller triangle
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
setting up a ratio is similar to that idea
 one year ago

ashleyb Group TitleBest ResponseYou've already chosen the best response.1
oh ok i get it! thank you for your help
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
np
 one year ago
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