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2. (b) You want to show that \Delta ART\cong \Delta PEN,

 (ii) If it is given that \angle T=\angle N you are to use the SAS criterion, you need to have

(i)RT = \; \; \; \; \; \; \; \; \; \; \; \; \; and \; \; \; \; \; \; \; \; \; \; \; \; \; (ii)PN=

         

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As we know in the SAS  criterion the two sides and one angle are identical to their corresponding parts of another triangle. So to prove congruency we need to prove that,

\\(i)RT = EN\; \; \; \; \; \;\; \; \; and \; \; \; \; \; \; \; \; \; \; \; \; \; \\(ii)PN= AT

Posted by

Pankaj Sanodiya

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