A room is length 10m 8m broad find the cost of covering the floor of room with 80cm wide carpet at the rate 25rs per metre
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Dimensions of the room
Length ➾ 10 m
Breadth ➾ 8 m
Height ➾ 80 cm ➾ 0.8 m
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T.S.A of the cuboid ➾ 2(lb + bh + lh)
➾ 2(10 × 8 + 8 × 0.8 + 10 × 0.8)
➾ 2(80 + 6.4 + 8)
➾ 188.8 m²
--------—-
= 》 Cost of 1 m² = ₹25
= 》 Cost of 188.8 m² = 188.8 × 25 =
Length ➾ 10 m
Breadth ➾ 8 m
Height ➾ 80 cm ➾ 0.8 m
-----------
T.S.A of the cuboid ➾ 2(lb + bh + lh)
➾ 2(10 × 8 + 8 × 0.8 + 10 × 0.8)
➾ 2(80 + 6.4 + 8)
➾ 188.8 m²
--------—-
= 》 Cost of 1 m² = ₹25
= 》 Cost of 188.8 m² = 188.8 × 25 =
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