Calculate the length of an arc subtended an angle 1350 at the centre and radius 14cm (∏ = 22/7) (a) 33cm (b) 33.3cm (c) 33.4cm
Which of the following is the perimeter of a sector of a circle (a) 2r + Ө/360 X 2∏r (b) 2r + Ө/360 X 2r (c) Ө/360 X ∏r2
Calculate the perimeter of a sector which subtends an angle of 900 at the center of a circle with a radius of 21cm. (∏ = 22/7) (a) 73.0cm (b) 73.2cm (c) 73.6cm
Which of the option is the formula to calculate the area of a sector of a circle (a) A = Ө/360 X ∏r2 (b) A = Ө/360 X 2∏r (c) A = Ө/360 X r2
A sector of a circle radius 21cm subtends an angle of 700 at the centre. Calculate the area of the sector. (a) 269.5cm2 (b) 267.5cm2 (c) 268.5cm2
Calculate the surface area of a cube whose edge is 5cm (a) 150cm2 (b) 160cm2 (c) 170cm2
If the total surface area of a cube is 290cm2, calculate the edge. (a) 6.95cm (b) 6.90cm (c) 6.91cm
Calculate the volume of a cube whose edge is 5.5cm (a) 166.38cm3 (b) 165.38cm3 (c) 167.38cm3
Which of the following is the volume of a cylinder? (a) ∏r2h (b) ∏r3h (c) ∏rh