a cuboid box open at the top is to be painted . Find the cost of painting its inside at the rate of rs 25per cm^if length of the box is 10cm breadth is 8cm and height is 6cm
Answers
Answered by
1
Answer:
9650 ₹
Step-by-step explanation:
l=10
b=8
h=6 This much is given.
Area to be painted is lateral surface area + base area.(At top is open)
Area=2h(l+b) + lb
=2x8(10+8) + 80
16x18+80
288+80
386cm^2
Cost of 1cm^2 = 25rs
386cm^2 = ?
386 x 25 = 9650Rs
Similar questions