# 2.(b)  You want to show that $\Delta ART\cong \Delta PEN,$    (b) If it is given that $\angle T=\angle N$ and you are to use SAS criterion, you need to have             $(i)RT = \; \; \; \; \; \; \; \; \; \; \; \; \; and \; \; \; \; \; \; \; \; \; \; \; \; \; (ii)PN=$

As we know in 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,

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

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