The diagonals of a rhombus are 16 cm and 12 cm. Find its area and the length of a side.
Area and Perimeter of Plane Figures
Original Khojo Papers practice question — not from a past board paper.
36√3 cm2, about 62.35 cm2
No citable source has been recorded for this record. Treat it as practice material, not as fact.
The area of an equilateral triangle of side a is (√3/4)a2 = (√3/4) × 144 = 36√3.
From the same topic and chapter, at a similar level.
The diagonals of a rhombus are 16 cm and 12 cm. Find its area and the length of a side.
Area and Perimeter of Plane Figures
The circumference of a circle exceeds its diameter by 30 cm. Find its radius. Take π = 22/7.
Area and Perimeter of Plane Figures
Find the area of a trapezium whose parallel sides are 12 cm and 8 cm and whose height is 5 cm.
Area and Perimeter of Plane Figures
The area of a circle of diameter 14 cm, taking π = 22/7, is:
Area and Perimeter of Plane Figures
Find the area and the circumference of a circle of radius 7 cm. Take π = 22/7.
Area and Perimeter of Plane Figures
A path 2 m wide runs all round the outside of a rectangular garden 20 m by 15 m. Find the area of the path.
Area and Perimeter of Plane Figures