Question

A tabletop is in the shape of a parallelogram . it's base is 5m and altitude is 3 m .Find the cost of painting the tabletop at the rate of Rs .20 per m²
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Answer 1

Answer:

Step-by-step explanation:

surface area=15m²

cost=15*20=300 rs

Answer 2

Answer:

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Since, area of parallelogram = base × height

= 5m×3m

=15m²

Since, cost of painting 1m² tabletop = Rs20

Therefore, cost of painting 5m² tabletop= Rs(20×15)

=Rs 300