Question

A mason has made a concrete slab. Which shapes should he use to make it rectangular?

Answer 1

He can use rectangles, squares or trapezium shaped bricks to make the slab.

Answer 2

He should make sure that the slab satisfies all the properties of rectangle that is
1. Opposite sides are equal and parallel
2. Diagonals should bisect each other and should be equal
3. Each angle is right angle