The altitude and the base of a triangular field are in the ratio 6 : 5. If its cost is ₹ 49,57,200 at the rate of ₹ 36,720 per hectare and 1 hectare = 10,000 sq.m, find (in metre) the dimensions of the field.

Find the area of the right-angled triangle with hypotenuse 40 cm and one of the other two sides 24 cm.

The length and the breadth of a rectangle are in the ratio 9 : 5. If its area is 180 m²; the length (longest side) of the rectangle is :

1. 36 m

2. 20 m

3. 10 m

4. 18 m

The adjacent sides of a rectangle are 16 m and 9 m. The length of the square whose area is equal to the area of the rectangle is :

1. 16 m

2. 18 m

3. 12 m

4. 72 m