find the total surface area of a closed box of a wood dimension are 2 metre 1.5 metre and 80 cm find the cost of wood used to make it rate 12 0.55 per metre square
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Answer:
105070
Step-by-step explanation:
L=2m=200cm
B=1.5m=150cm
H=85cm=85cm
total total surface area of cuboid= 2(lb+by+lh)
2(200×150+150×80+200×80)
=. 2(30000+12000+1600)
=. 2×43600
=. 87200 cm.
cm converting into meter
=87200÷100
=872 metre.
cost of wood used to make = 1m=rs120.55
````•. 872 m= 120.55×872
= RS 105070......
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