the Length breadth and height of a room are 5 metre 4 metre and 3 respectively find the cost of whitewashing the walls of the ro om and the ceiling at the rate of rupees 7.50 per metre square
2 answers:
Answer:
its going to be 2&3(x+2)(x+3)
Step-by-step explanation:
Answer:
Length = 5cm
Breadth = 4cm
Height = 3cm
Area of 4 wall = 2(l + b) x h
= 2(5 + 4) x 3
= 2 x 9 x 3
= 54 cm²
Cost = 7.50 x 54
= Rs405
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