Same chapter3 marksDifficulty: Medium
Find the area of an equilateral triangle of side 12 cm.
Area and Perimeter of Plane Figures
3 marksDifficulty: Medium
The diagonals of a rhombus are 16 cm and 12 cm. Find its area and the length of a side.
Original Khojo Papers practice question — not from a past board paper.
Answer
Area 96 cm2 and side 10 cm
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Area = ½ × d1 × d2 = ½ × 16 × 12 = 96 cm2. The diagonals bisect at right angles, so the side is √(82 + 62) = 10 cm.
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