Same chapter3 marksDifficulty: Medium
In triangle ABC, D, E and F are the mid-points of BC, CA and AB. If the perimeter of ABC is 24 cm, find the perimeter of triangle DEF.
Mid-point Theorem
3 marksDifficulty: Medium
In triangle ABC, D and E are the mid-points of AB and AC. If BC = 12 cm, find DE.
Original Khojo Papers practice question — not from a past board paper.
Answer
6 cm
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
By the mid-point theorem DE is parallel to BC and equal to half of it.
Related questions
From the same topic and chapter, at a similar level.
Same chapter3 marksDifficulty: Medium
In a trapezium ABCD with AB parallel to DC, E and F are the mid-points of the non-parallel sides AD and BC. Prove that EF is parallel to AB and equal to half the sum of AB and DC.
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Same chapter1 markDifficulty: Medium
D and E are the mid-points of AB and AC of triangle ABC. If DE = 5 cm, then BC is:
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State the mid-point theorem and its converse.
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Prove that the quadrilateral formed by joining the mid-points of the sides of any quadrilateral is a parallelogram.
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State the mid-point theorem.
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