Question

The length of a rectangular wooden board is thrice its width. If the width of the board is 120 cm, find the cost of framing it at the rate of $5 for 20 cm.


please explain and tell......

Answer 1

Answer:

please mark a brilliant

Step-by-step explanation:

B= 120 then l= 360

so circumference of rectangle = 2×(l +b)

=2×(120+360)

=2×480=960cm

now,

20 cm cost is equal to rs5

so 1 cm --------------------rs 5/20

960cm---------------------rs 5×960/20

=rs240...

Answer 2

Answer:

240 is your answer mark me as brainliest answer