SOLUTION: There is the square ABCD. Trace a line between corner A and midpoint E of side DC. Trace another line between corner A and point F of side DC such that AF equals AB+FC. Prove that

Question 19984: There is the square ABCD. Trace a line between corner A and midpoint E of side DC. Trace another line between corner A and point F of side DC such that AF equals AB+FC. Prove that angle DAE is half of angle FAB.
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
____e___
D|x x|C
| |f
| | (Go on "Show soucre" to see the answer}
A|y______y|B
Comment: First draw your diagram we know that Label one side x and the other y. So it is 2x+2y=360
Proof: Lets say we want to proof that In in 2x+2y=180
x+y=90
In 45+45+ Now if you do that to same throughout DAF is also 90 degrees

Now if 90 + 90 =180 And the middle of these two angles is 180 degrees. Then
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