000998644 000998644

15-04-2021
Mathematics

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in triangle ABC shown below, L is the midpoint of BC, M is the midpoint of AB, and N is the midpoint of AC. Find the perimeter of trapazoid BMNC.

in triangle ABC shown below L is the midpoint of BC M is the midpoint of AB and N is the midpoint of AC Find the perimeter of trapazoid BMNC class=

Respuesta :

gangona gangona

15-04-2021

35

since m and n are the midpoints of ab and ac resistively

then ,bc=2mn=16

since m and l are the midpoints of ba and bc respectively

then, ac =2mn =10

then,nc =1/2 × 10 =5

similary, mb=6

then ,perimeter=nc+mb+mn+bc=5+6+8+16=35

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