Find the area of a triangle whose sides are 13 cm, 14 cm and 15 cm.
Area and Perimeter of Plane Figures
Original Khojo Papers practice question — not from a past board paper.
Area 154 cm2 and circumference 44 cm
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Area = πr2 = 22/7 × 49 = 154 cm2, and circumference = 2πr = 2 × 22/7 × 7 = 44 cm.
From the same topic and chapter, at a similar level.
Find the area of a triangle whose sides are 13 cm, 14 cm and 15 cm.
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
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
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
Find the area of an equilateral triangle of side 12 cm.
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