Q. 75.0( 1 Vote )

# In the given fig.

By converse of Thale’s theorem DE II BC

Given BAC = 50°

ABC + BAC + BCA =180° (Angle sum property of triangles)

700 + 500 + BCA = 180°

BCA = 180° - 120° = 60°

OR

EC = AC – AE = (7- 3.5) cm = 3.5 cm

So,

Hence, by converse of Thale’s Theorem, DE is not Parallel to BC.

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