Math, asked by sashvi2005, 7 months ago

D and E are mid points, DE = 2.5 cm, find ABC,

Answers

Answered by harsh403325

1

Answer:

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

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