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Mathematics 14 Online
OpenStudy (anonymous):

geometry help

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

Hints: AE = EC DE = EB Angles AEB, BEC, CED, DEA are all 90 degree angles.

OpenStudy (anonymous):

is it d

jimthompson5910 (jim_thompson5910):

what is the length of AE?

OpenStudy (anonymous):

5

jimthompson5910 (jim_thompson5910):

now use the pythagorean theorem to find AD

OpenStudy (anonymous):

it's c!

jimthompson5910 (jim_thompson5910):

good

jimthompson5910 (jim_thompson5910):

12+13+5 = 25 + 5 = 30

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