Question

The base of a triangle field is two times its altitude. if the cost of levelling the field at ₹30 per sq m is ₹6750. find its base and height.​

Answer 1

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The base of a triangular field is 2.4 times its height. If the cost of levelling the field at the field at the rate of Rs. 20 per square metre is Rs. 9,600; find its base and height.

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Correct option is B)

Since the cost of levelling the field at the rate of Rs. 20 per square metre is Rs. 9,600

=> Area of the field =

20

9600

=480sqm

Now, area of the triangular field =

2

1

×base×height=480

=>

2

1

×(2.4h)×(h)=480

=>h

2

=400

=>h=20m

And base =2.4×20=48m

Step-by-step explanation:

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