Question

how much lace is required to edge3 rectangular table cloth of length 1m 50cm and breadth 50cm

Answer 1

perimeter of rectangle his 2× (L+B)

$2 \times (1.50 + 50) \\ = 2 \times 2m \\ = 4m$

4m lace is required

Answer 2

perimeter of the rectangle = 2(L+B)

2 × (1.50cm+50cm)

2× (2)

4 m of lace is required