HELPPPPPPPPPPPPPP
A frame of a house is being built. The face of the roof is shown as follows, where BD DC and BA = 20 feet.
=
A
B
D
2016 StrongMind. Created using GeoGebra
What is the measure of AC?

HELPPPPPPPPPPPPPP A frame of a house is being built The face of the roof is shown as follows where BD DC and BA 20 feet A B D 2016 StrongMind Created using GeoG class=