Question

A hedge boundary needs to be planted around a rectangular lawn of size 72 m * 18 m. If 3 shrubs can beplanted in a metre of hedge, how many shrubs will be planted in all?​

Answer 1

Answer:

540 plants

Step-by-step explanation:

Perimeter of lawn = 2(l + b)

Perimeter = 2 × ( 72 + 18 )

Perimeter = 2 × 90

Perimeter = 180 m

If 3 shrubs can be planted in one metre:

180 × 3 shrubs can be planted in 180 m

=> 540 plants