1. Find the surface areas and volumes of spheres of the following radii. (i) 4 cm (ii) 9 cm (iii) 3.5 cm. (π = 3.14) Solution (i) Solution (ii) Solution(iii) 2. If the radius of a solid hemisphere is 5cm, then find its curved surface area and total surface area. (π = 3.14) Solution 3. If the […]
1. Perpendicular height of a cone is 12 cm and its slant height is 13 cm. Find the radius of the base of the cone. Solution 2. Find the volume of a cone, if its total surface area is 7128 sq.cm and radius of base is 28 cm. (π = 22/7) Solution 3. Curved surface area
1. Length, breadth and height of a cuboid shape box of medicine is 20cm, 12 cm and 10 cm respectively. Find the surface area of vertical faces and total surface area of this box. Solution 2. Total surface area of a box of cuboid shape is 500 sq. unit. Its breadth and height is 6 unit
Solution (1) Solution (2) Solution (3) Solution (4) Solution (5) Solution (6) Solution (7) Solution (8) Solution (9) Solution (1) Solution (2) Solution (3) Solution (4) Solution (5) Solution (6) Solution Solution
