Math, asked by Thanasree, 5 months ago

in ∆ABC,D,E and F are the midpoint of Ab ,bc and ca respectively. if ab=6cm,bc=7.2cm and ca=7.8cm,find the perimeter of ∆DEF

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Answered by ipl547332

0

Answer:

21

Step-by-step explanation:

6+ 7+7+1

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