1. An isosceles right triangle has area 8 cm². The length of its hypotenuse is

2. The perimeter of an equilateral triangle is 60 m. The area is

3. The sides of a triangle are 56 cm, 60 cm and 52 cm long. Then the area of the triangle is

4. The area of an equilateral triangle with side 2√3 cm is

5. The length of each side of an equilateral triangle having an area of 9√3 cm² is

6. If the area of an equilateral triangle is 16√3 cm², then the perimeter of the triangle is

7. The sides of a triangle are 35 cm, 54 cm and 61 cm. The length of its longest altitude is

8. The area of an isosceles triangle having base 2 cm and the length of one of the equal sides 4 cm is

9. The edges of a triangular board are 6 cm, 8 cm and 10 cm. The cost of painting it at the rate of 9 paise per cm² is

10. The base of a right triangle is 48 cm and its hypotenuse is 50 cm. The area of the triangle is