Question

in triangle abc d is the midpoint of a b and e is the midpoint of ac find de if BC is equal to 6 cm and ab is 3.5 cm​

Answer 1

Answer:

R.E.F image

AB=2AD (AD is the mid point of AB)

AB=2×3.5cm

AB=7cm

AC=2AE

AC=2×4cm

AC=8cm

BC=2DE (Midpoint Theorem)

BC=2×2.5cm

BC=5cm

Perimeter =AB+BC+CA

=7+5+8

=20cm

Step-by-step explanation:

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