The base of the triangular area is two times its height. If the cost of farming area is Rs. 2000 and Rs. 80 per hectare. Find its base (1 hectare = 10000 m²).
Area of the field = Total cost/rate = 2000/80 = 25 hectares = 25 x 10000 m2 = 250000 m2 Let altitude = a m Then base = 2a Now, ½ x b x h = 250000 ½ x 2a x a = 250000 a2 = 250000 a = 500 m base = 1000 m
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