Same chapter3 marksDifficulty: Medium
In triangle ABC, D and E are points on AB and AC such that DE is parallel to BC. If AD : DB = 2 : 3 and the area of triangle ADE is 16 cm2, find the area of triangle ABC.
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3 marksDifficulty: Medium
Two similar triangles have areas 36 cm2 and 64 cm2. If the perimeter of the smaller is 27 cm, find the perimeter of the larger.
Original Khojo Papers practice question — not from a past board paper.
Answer
36 cm
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The ratio of the areas is 36 : 64, so the ratio of corresponding lengths, including perimeters, is 6 : 8 = 3 : 4. Hence the larger perimeter is 27 × 4 ÷ 3 = 36 cm.
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