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In Delta ABC and Delta PQR , angle ABC ...

In `Delta ABC` and ` Delta PQR , angle ABC cong angle PQR ` eg BD and seg QS are angles bisectors . If `(l(AD))/(l(PS)) = (l(DC))/(l(SR)) = " then " Delta ABC ~ Delta PQR`
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The perimeter of the triangle shown in figure. is (##NCERT_EXM_MAT_VI_C07_E01_015_Q01.png" width="80%">