Puzzle – sum of the angles
December 27, 2007 am31 10:27 am
I wish I could make nice diagrams…
Consider rectangle ADEH with side ABCD and side EFGH such that AB = BC = CD = DE = EF = FG = GH = HA.
Find the sum of ∠FAD, ∠GAD, and ∠HAD ∠EAD, ∠FAD, and ∠GAD.
Questions in the comments section, above.
Answers? Over here.
JD2718 
Did you mean the sum of angles EAD, FAD, GAD and HAD?
IMHO, this is a more interesting answer
Thanks! That’s what I get for posting half-asleep, and without a diagram!
I’ve seen this before … I think it was on a GRE Math Subject practice test!
I took it from a middle grades Russian geometry text, as an extra challenge problem (I think for grade 8, which translates to our grade 9).
It seems awfully hard, but I do not know what they would have been doing simultaneously. It may have been a smallish extension of something else.
need the solution to a problem i found on a sample test that i have to take tomorrow. if anyone is able to give me a formula or help to figure out id appreciate it.
the problem–59 degrees 37′ 18″ – 40 degrees 43′ 22″