Example 8 The internal measures of Mr Chandra's room are 10m x 8m x 4m. Find the total cost of painting for all the four walls of the room, if the cost of painting is 4 per m². What will be the cost of painting, if the ceiling of the room is also painted.
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Answer:
hey mate!!
Step-by-step explanation:
L=10 m
B=8m
H=4m
area=10×8×4 = 320m²
now cost of painting per m = 4m²
which implies that 320×4= Rs 1280
PLZ MARK AS BRAINLIEST
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