Monday 6 February 2017

CONGRUENCE 1A


In the figure below, prove that ΔABC and ΔCDA  are congruent. 


Solution

GIVEN: Quadrilateral ABCD,
                AD=BC,
                <BCA=<BCA

REQUIRED TO PROVE: ΔABC ΔCDA.

PROOF:  AD=BC           (given)
                <BCA=<BCA   (given)
                 AC= CA          (common)

Hence, ΔABC ΔCDA  (By SAS)

TRY THIS…………………


In the figure below, prove that ΔNPQ and ΔQNR are congruent.



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