Answer :

(a) We have,

ΔABC,

And in this triangle, BE is a median

Therefore,

The rough sketch for the given figure is as follows:

Median is the line that divides the opposite side into two equal parts.

(b) We have,

ΔPQR,

And in this triangle, PQ and QR are the altitudes of the triangle

Therefore,

The rough sketch for the given figure is as follows:

It will form a right-angled triangle PQR, right-angled at P.

(c) We have,

ΔXYZ,

And in this triangle YL is an altitude in the exterior of the triangle

Therefore,

The rough sketch for the given figure is as follows:

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