Question
Find the total cost of plowing a square field, given
that the shortest distance between two opposite corners of the square is 38 cm, and the plowing cost is Rs. 5 per square centimeter.Solution
ATQ, Let length of side of the square field be 's' cm. According to question, √2 × s = 38 s = 19√2 cm Area of square field = (19√2) 2 = 722 cm2 Desired cost of ploughing = 722 × 5 = Rs.3610
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