Question

The base and height of triangular field are in the ratio 2:5, if the cost of cultivating the field at rate of Rs 42 per m2 is Rs. 7560. Find the base and height

Answer 1

Answer:

Base is 12 m and height is 30 m

Step-by-step explanation:

Answer 2

Answer:

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Step-by-step explanation:

the cost of cultivating the field at rate of Rs 42 per m2 is Rs. 7560

=>area=7560m^2/42

So,area=180m^sq.

Now let the ratio be P

Then,the base=2P

And height =5P

Area of Δ=1/2XBaseXheight

=> 180m^2=1/2X2PX5P

=>180m^2=5P^2

So, P^2=180m^2/5

P =√36m

=6m

So base =2P=2X6m

=12m

Height =5P=5X6m

= 30m