Question

Find the cost of fencing a park dimensions 18m by 12m with 3 rounds of rope at 4 rupees per m​

Answer 1

Question :

Find the cost of fencing a park dimensions 18m by 12m with 3 rounds of rope at 4 rupees per m .

Answer :

$\sf\pink{Given:}$

• dimensions of the park are 18 m by 12 m .

• rate of fencing is 4 rupees per m

$\sf\pink{To\:find:}$

• cost of fencing three rounds of rope ?

Explanation :

Perimeter of the park =2( length+breadth)

$\longrightarrow\sf{ 2\times (18+12)}$

$\longrightarrow\sf{ 2\times 30}$

$\longrightarrow\sf{ 60}$

• Therefore the perimeter of the park is 60 m .

Cost of fencing 1 round = 60 × 4

$\longrightarrow\sf{ 240}$

Cost of fencing 3 round = 240 × 3

$\longrightarrow\sf{720 }$

• Cost of fencing three rounds of rope is Rs 720 .