A room 8.5 m Long, 6.5 m Wide and 3.4 m Is high It has two doors measuring 1.5 m each. Is from 1 m. And two windows each measuring 2 m. From 1 m is . Find the cost of painting at the rate of ₹ 4.60 per square meter on its four walls.
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Step-by-step explanation:
REF.IMAGE
Perimeter=2+8+8+2.5+2.5+1.5+16+1+16+4.5+2.5+2.5
=67m
Area=2×18+(7×2.5)+1×16
=69.5m
2
Perimeter=7+2+4+2+4+6+2+(2+4+2+6)
Perimeter=41m
Area=7×2+12×2+4×2
Area=46m
2
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