Math, asked by nandini200005, 9 months ago

Find the cost of painting a cuboid of dimensions 20cm at the rate of 10 paisa per square cm

Answers

Answered by pankajdeshmukh2002
3

Answer:

given;edge of cube =20 cm(a)

rate of painting =10p/cm square

Step-by-step explanation:

  • total surface area of cube=6a^2
  • =6×20^2
  • =6×400
  • =2400cm^2 //
  • cost of painting=10p/cm^2
  • 10×2400
  • =24000p
  • =24000÷100 Rs
  • =240 rs //
  • •°• cost of painting =240 rs
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