# Summary

• Area of trapezium height Ã— sum of parallel sides.
• Area of quadrilateral length of diagonal.
• Area of rhombus product of its diagonals.
• Surface area of cuboid = (l = length b = breadth h= height)
• Surface area of cube = 6(Edge)2 = 6l2 sq units.
• Surface area of a cylinder sq. Units, where r = radius, h = height
• Lateral surface area of a cylinder = sq. Units.
• Volume of a cuboid = cubic units.
• Volume of a cube = l3 cubic units
• Volume of a cylinder = cubic units
• Volume is defined as the amount of space occupied by an object
• Capacity is defined as the quantity that a container holds