Practice Summary - 10.2 | 10. Heron'S Formula | CBSE 9 Mathematics
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Summary

10.2 - Summary

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Find the area of a triangle with sides 5 cm, 6 cm, and 7 cm.

💡 Hint: Use Heron's formula and first calculate the semi-perimeter.

Question 2 Easy

Calculate the area of a triangle with sides 8 cm, 15 cm, and 17 cm.

💡 Hint: Determine the semi-perimeter before applying the main formula.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does Heron's formula calculate?

Area of a triangle
Perimeter of a triangle
Volume of a tetrahedron

💡 Hint: Recall the application of the formula.

Question 2

True or False: Heron's formula requires knowledge of the triangle's height to find its area.

True
False

💡 Hint: Think about how Heron's formula works.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A triangle has its sides in the ratio of 5:12:13 and a perimeter of 300 cm. Find the area using Heron's formula.

💡 Hint: Use the ratio to find the actual side lengths.

Challenge 2 Hard

Calculate the area of a triangle with vertices at coordinates (0,0), (4,0), and (0,3) using Heron's formula.

💡 Hint: First determine the lengths between coordinates.

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