Thursday 24 April 2014

CONGRUENCE D1



Prove that ABC and DCG are congruent in the figure below: 



Solution

Given: figure ABCGD.
Required to prove: ABC and DCG are congruent
Proof: 

AC = CD    (given)
<BAC = <CDG = 500 (given)
<ACB = <DCG (opposite angles)


HenceACB DCG by AAS rule (proved)

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