Mensuration

Question 1 of 10

A rectangular field is 120 m long and 80 m wide. How many hectares is it? (1 ha = 10,000 m²)

Question 2 of 10

Find the area of a trapezium with parallel sides 8 cm and 12 cm and height 5 cm.

Question 3 of 10

A cuboid tank 2 m × 1.5 m × 1 m is half full. How many litres must be added to fill it?

Question 4 of 10

Find the length of an arc that subtends 90° at the centre of a circle of radius 14 cm (π = 22/7).

Question 5 of 10

Find the area of a semicircle of radius 7 cm. (Take π = 22/7.)

Question 6 of 10

Find the total surface area of a closed cylinder of radius 7 cm and height 10 cm (π = 22/7).

Question 7 of 10

Find the area of a sector of a circle of radius 7 cm that subtends an angle of 90° at the centre. (Take π = 22/7)

Question 8 of 10

Find the volume of a cone of radius 3 cm and height 7 cm (π = 22/7).

Question 9 of 10

Find the total surface area of a cuboid 5 cm × 4 cm × 3 cm.

Question 10 of 10

Find the area of a sector of angle 60° in a circle of radius 6 cm (π = 3.14).