Question

A black board is 1m 35cm long and 1m 12cm broad .find the cost of painting the board at a rate of 15 paise per square cm​

Answer 1

Answer:

length of rectangle-36cm

Breadth of rectangle-13cm

perimeter of rectangles-2(l+B)

so, 2(36+13) -2(39) -78

they have asked the rate of 15paisa per meter square so 78×15=1170÷10=117square cm