Answers

2016-03-16T16:24:12+05:30
First find the sides of triangle ABC with Perimeter formula and substitute in DEF as they are congruent to each other
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2016-03-16T16:44:32+05:30
Perimeter of triangle def = 1/2 perimeter of triangle abc
triangle def= 1/2x72
perimeter of triangle def= 36 cm.
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