find the cost of painting the all around outer surface of a box with the late 60 cm long 40 cm and 30 cm height at 50 p 20 CM square
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Total Outer Surface = 2(lb+bh+hl)
= 2(60×40+40×30+60×30)
=10800
Cost of painting = area × cost per 20 cm square
= 10800×50/100×1/20
= 270 rs.
= 2(60×40+40×30+60×30)
=10800
Cost of painting = area × cost per 20 cm square
= 10800×50/100×1/20
= 270 rs.
TANISHQSHARMA786:
please explain it
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i think 270 rs
hpe it helps
plss mark as brainliest
hpe it helps
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