Practice Verification of areas using Heron’s formula - 10.1.3 | 10. Heron'S Formula | CBSE 9 Mathematics
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10.1.3 - Verification of areas using Heron’s formula

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Find the area of an equilateral triangle with side 9 cm using Heron's formula.

💡 Hint: Calculate s first and then find the area.

Question 2

Easy

What is the semi-perimeter of a triangle with sides 6 cm, 8 cm, and 10 cm?

💡 Hint: Add all sides and divide by 2.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is Heron's formula used for?

  • To calculate triangle area
  • To determine triangle angles
  • To find triangle perimeter

💡 Hint: Focus on the purpose of the formula.

Question 2

True or False: Heron's formula can only be used for right-angled triangles.

  • True
  • False

💡 Hint: Consider the types of triangles this formula can solve for.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A triangle has sides measuring 15 cm, 36 cm, and 39 cm. Calculate the area using Heron's formula.

💡 Hint: Remember to calculate s first followed by the area.

Question 2

Find the area of a triangle with sides in the ratio 5:12:13 and a perimeter of 60 cm.

💡 Hint: Resolve the side lengths using the ratio and perimeter before substitution.

Challenge and get performance evaluation