Question

8. A field is in the shape of a trapezium (Fig. 3). Its parallel sides are 40 m and 83 m and the
distance between them is 38 m. Find the cost of ploughing the field at the rate of 10 per m​

Answer 1

Answer:

Explanation:

Let breadth = x m

Then, length = (x+5)m

Area of a rectangle = Length x Breadth

x(x+5) = 750

x² + 5x - 750= 0

(x+30)(x-25)= 0

x = 25 or x = -30

Hence, breadth x = 25m

=> Length = x + 5 = 25 + 5 = 30m.