a hall is 12 m long 10 m wide and 5 m height its wall and the roof was to be whitewashed from inside. find the total area to be whitewashed.also find its cost at the rate of rupees 5.40 per sq.m.
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0
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Step-by-step explanation:
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1
Answer:
total area is 600m and cost of white wash is 3240rs
Step-by-step explanation:
first we have to use formula l×b×h because the hall is in rectangular shape
by applying the formula we get area 600m
then the cost of whitewash for 1 sq m
is 5.50
then multiply the area by cost of whitewashing per sq m
we get 3240 rs as answer
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