Traditional Culture Encyclopedia - Photography and portraiture - Shenzhen rt photography activities
Shenzhen rt photography activities
Solution: As shown in the figure, the intersection point D is DE⊥AB in E,
∫∠C = 90,AC=6,BC=8,
∴AB=AC2+BC2=62+82= 10,
∫AD splitting∠ ∠CAB,
∴CD=DE,
∴S△ABC= 12AC? CD+ 12AB? DE= 12AC? BC,
That is 12×6? CD+ 12× 10? CD= 12×6×8,
Solution CD = 3.
So the answer is: 3.
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