Find the cost of painting the all round outer surface of a box with lid 60cm long, 40cm wide and 30cm high at 50p per 20sq.cm.
Answers
Answered by
425
TSA of Box= 2(LB+BH+LH)
=2(2400+1200+1800)
=2(5400)
=10800 cm²
20cm²=50 paisa
1cm²=50/20 paisa
10800cm²=27000 Paisa
270 Rupees
=2(2400+1200+1800)
=2(5400)
=10800 cm²
20cm²=50 paisa
1cm²=50/20 paisa
10800cm²=27000 Paisa
270 Rupees
Prianka123:
Thnx 4 ur help
welcm! its my work!
Thnx again
Lolz ! Welcm again!
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Answered by
133
L=60 cm
B=40 cm
H=30cm
Total surface area of cuboid = 2(lb +lb+bh)
=2(1800+2400+1200)
=2×5400
=10800cm^2
20cm^2 = 50p
1 cm^2 =50/20
10800cm^2 =27000 p
1p =₹100
27000p=₹270
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