Question

What is the cost of painting
a wall of rectangular surface
having length 300cm and
breadth 200cm , if the rate of
painting is 5s per square
centimeter
?​

Answer 1

area of rectangle= length × breadth

area of rectangle=300×200=60000cm^2

cost=60,000×5=300,000rupees

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Answer 2

Answer:

Answer is 5000 rupees

Step-by-step explanation:

formula of perimeter of a rectangle= 2×(l+b)= 2×(300 cm+200 cm) = 2×(500 cm) = 2×500 cm = 1000 sq centimetres. 5 rupees = per 1 sq centimeter, Then 1000 sq centimeter × 5 = 5000 rupees

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