A rectangular park is 82m long and 68m broad has two cross – roads 3m wide in the middle of it.
(a) Find the area of the cross – roads.
(b) Find the cost of laying tiles on the cross – roads at the rate of Rs. 50 per m².
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Answer:
a) 441 m²
b) Rs 22050
Step-by-step explanation:
a) Area of cross roads = Area of the vertical road + Area of horizontal road - Square in the middle
The square is subtracted because it gets counted twice, once in vertical road and once in horizontal road.
Area of cross road = (82 × 3) + (68 × 3) - (3 × 3)
= 246 + 204 - 9 = 441 m²
b) Rate of tile = Rs 50 / m²
Total cost = Rs 441 × 50 = Rs 22050
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