A geometry problem by Foo Shi Quan
Geometry
Level
3
- ABC is a right-angled triangle, AB=3,AC=4,angle A is a right angle. BCDE is a square which one of the side is the hypotenuse of triangle ABC. Find the length of AF, nearest to 4 decimals.
The answer is 4.9497.
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1 solution
AC=DG=EH=IB=4
Hence, AF=FH=AH/2
AH=7(2)^.5
AF=4.9497