Question

3 Mr. Chopra wants to put a wooden border around a painting. If the length of the painting is 40 cm and its breadth is 25 cm, what will be the cost of putting the border at 40 per m?​

Answer 1

Step-by-step explanation:

$\huge\underbrace\pink{Answer}$

Perimeter = 2(l+b)=2(40+25)=130cm

Rate = Rs 40 per m = Rs 40/100 per cm

Cost = 130×40/100 =52 rs.

Answer 2

Answer:

perimeter of rectangle = 2x(l+b)

                                     = 2x(40+25)

                                      =2x65

                                      =130

Rate =Rs.40 per m = Rs 40 / 100 per m

Cost =130x 40/100

        =130x 0.4

        = Rs.52

mark as brainliest