the side of cuboidle room are 12.5m,10m,8m. find the cost of painting it's 4walls and selling at the rate of 5/m²
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curved surface area of cuboid is 3h(l+b)
h=12.5
l=10
b=8
putting in formula
2X12.5(10+8)
25X18
450cm^2
so rate = 5/m^2
450X50
=22500 Rs
h=12.5
l=10
b=8
putting in formula
2X12.5(10+8)
25X18
450cm^2
so rate = 5/m^2
450X50
=22500 Rs
jasspreetkaurbains:
thanks
ur welcome
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