Total Time : 45 minutes
Total marks: 30 marks
1. Find the area of a triangle whose sides are 12 cm, 6 cm and 15 cm.
2. Find the area of a triangle whose sides are 4.5 cm and 10 cm and perimeter 10.5 cm.
3. A park in the shape of a quadrilateral ABCD has C = 90°. AB = 18 m, BC = 24 m, CD = 10 m and AD = 16 m. How much area does it occupy?
4. Find the area of a triangle with base =20cm and height are 10 cm.
5. Find the area of a triangle having perimeter 32cm. One side of its side is equal to 11cm and difference of the other two is 5cm.
6. Perimeter of the rhombus is 100 m and its diagonal is 40m. Find the area of rhombus.
7. Two parallel sides of a trapezium are 60 cm and 77 cm and other sides are 25 cm and 26 cm. Find the area of trapezium.
8. The perimeter of a triangular field is 135 cm and its sides are in the ratio 25 : 17 : 12. Find its area.
9. The perimeter of a square is (4x+20)cm. What will be the length of its diagonal?
10. If area of the hexagon is 24√3cm2, find its perimeter
Important Questions Class 9 Maths Chapter 12 Heron’s Formula is a very important resource for students preparing for IX Board Examination. Here we have provided Solutions for Important questions of Class 9 Maths Chapter 12 heron’s formula. Students who are preparing for their final exams for the academic sessions can practice these questions to get better marks. All the problems are based on the NCERT book and CBSE syllabus, presented by our Math experts. In this article, we will solve heron’s formula extra questions with answers.
HERON’S FORMULA
SAMPLE PAPER QUESTIONS
SAMPLE PAPER QUESTIONS
Total Time : 45 minutes
Total marks: 27 marks
1. Find the area of a triangle whose sides are 3 cm, 4 cm and 5 cm. (2)
2. The area of an equilateral triangle whose side is ‘a‘ cm is 
Find its height. (2)
Find its height. (2)3. Find the length of a diagonal of a square whose side is 2 cm. (2)
4. The diagonal of a square is 
What is the side? (2)
What is the side? (2)5. The length of a rectangular plot of land is twice its breadth. If the perimeter of the plot be 180 metres, then find its area. (3)
6. The lengths of sides of a triangle are in the ratio 3 : 4 : 5 and its perimeter is 120 cm, find its area. (3)
7. Find the area of a quadrilateral ABCD in which AB = 8 cm, BC = 6 cm, CD = 8 cm, DA = 10 cm and AC = 10 cm. (3)
8. The sides of a triangle are 5 cm, 12 cm and 13 cm. What is its area? (2)
9. What is the area of the given ΔABC? (2)
10. The sides of a triangle are in the ratio of 3 : 4 : 5 and its perimeter is 510 m. What is the measure of its greatest side? (3)
11. The perimeter of a right triangle is 30 cm. If its hypotenuse is 13 cm, then what are two sides? (3)
Important Questions Class 9 Maths Chapter 12 Heron’s Formula is a very important resource for students preparing for IX Board Examination. Here we have provided Solutions for Important questions of Class 9 Maths Chapter 12 heron’s formula. Students who are preparing for their final exams for the academic sessions can practice these questions to get better marks. All the problems are based on the NCERT book and CBSE syllabus, presented by our Math experts. In this article, we will solve heron’s formula extra questions with answers.