Question 21 MarkIf each side of a square is 2 m, its area is $4 m^2$.AnswertrueView full question & answer→
Question 31 MarkArea of 4 walls of a room $=2 \times($Length + Breadth$) \times$ Height.AnswertrueView full question & answer→
Question 51 MarkThe sum of the length and breadth of a rectangle is called its perimeter.AnswerfalseView full question & answer→