### Exercise condition:

2
In a triangular ground, the adjacent side is $$90°$$ base and height are 4 $$m$$, and 169 $$m$$, find the area and the cost of fencing the triangular ground at $$₹$$22 per $$m²$$.

The area of a triangular ground is  $$m²$$.

The total cost of fencing is $$₹$$.