Math, asked by vasu95, 1 year ago

A floral design on the floor of a building consists of 2800 tiles.Each tile is in the shape of parallelogram of altitude 3cm and base 5cm.Find the cost of polishing the design at the rate of 50 paise per sq cm.

ANSWER IS 21000 BUT I DONT KNOW THE SOLUTION.

Answers

Answered by ajaymath
12
First we take pallelogarm area which altitude × base so 3cm×5cm=15 cm sq. Then there are 2800tiles so,. 2800tiles×area of tile 15 cm sq = 42000 cm sq then the rate of polish is 0.50p per sq cm. 0.50p×42000 cm sq = 210 rupees
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