Question

please answer fastly
i need for tomorrow exam
pleassssse

Answer 1

Answer:

Since d and e are midpoints by midpoint theorem,

DE=AC/2 =6/2=3cm

similarly,

EF = AB/2 = 8/2 = 4cm

DF =BC/2 =7.2/2=3.6cm

Perimeter of triangle DEF=DE + EF+ DF=3+4+3.6=10.6cm

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