Question

A square has sides of lengths of length '2a' metres, and a rectangle has length '3a' metres and breadth 3 metres.
(i) Find, in terms of 'a', the perimeter of the square.
(ii) Find, in terms of 'a', the perimeter of the rectangle.
(iii) The perimeters of the square and the rectangle are equal. Find 'a'.

Answer 1

(i) Perimeter(square)=4*side length
(ii)Perimeter(rectangle)=2*(length+breadth)
(iii) let answers to (i) and (ii) equal each other, solve for a