1. The three sides of a triangle are in the ratio of 3: 5: 7 and its perimeter is 300 cm. Its area will be:
2. The three sides of a triangle are 56 cm, 60 cm and 52 cm long. Then the area of the triangle is
3. If the perimeter of an equilateral triangle is 180 cm. Then its area will be:
4. The area of a triangle with given two sides 18 cm and 10 cm, respectively and a perimeter equal to 42 cm is:
5. The sides of a triangular plot are in the ratio of 3 : 5 : 7 and its perimeter is 300 m. Find its area.
6. Area of a triangle is equal to:
7. The equal sides of the isosceles triangle are 12 cm, and the perimeter is 30 cm. The area of this triangle is:
8. Sides of a triangle are in the ratio of 12 : 17 : 25 and its perimeter is 540cm. Find its area
9. The sides of a triangle are 35 cm, 54 cm and 61 cm, respectively. Find the length of its longest altitude
10. A quadrilateral whose sides are 3 cm, 4 cm, 4 cm, 5 cm and one of the diagonal is equal to 5 cm . The area of the quadrilateral is:
11. A triangular park ABC has sides 120m, 80m and 50m. A gardener Dhania has to put a fence all around it and also plant grass inside. How much area does she need to plant?
12. Find the area of a triangle, two sides of which are 8 cm and 11 cm and the perimeter is 32 cm
13. The area of an equilateral triangle having side length is equal to √3/4 cm (by using Heron’s formula) is:
14. If the area of an equilateral triangle is 16√3 cm2, then find the perimeter of the triangle.
15. The base of a right triangle is 8 cm and the hypotenuse is 10 cm. Its area will be
