Question

D and E are the midpoints of side AB and AC of a triangle ABC, respectively and BC=6cm. If DE || BC, then the length of DE is: *

Answer 1

Answer:

In ∆ABC

Since DE are midpoints of AB and AC and DE parallel to BC.

therefore,

DE = 1/2BC {Midpoint theorem}

DE = 1/2(6) = 3cm