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  • Subjects
  • Maths CBSE Mentoring
  • Class 9 Mentoring product (2026-27)
  • Measuring Space: Perimeter and Area

Heron’s Formula

Theory

1. Heron's formula

Practice Questions

1. Semi-perimeter: Complete the table

Difficulty: easy

1
2. TBQ - Area of an equilateral triangle

Difficulty: easy

3
3. TBQ - Heron's Formula

Difficulty: medium

1
4. Find the area of the triangle

Difficulty: medium

3
5. Area of an isosceles triangle

Difficulty: medium

4
6. Application - Area of pizza

Difficulty: medium

3
7. Cost of heron's formula

Difficulty: hard

4
8. Ratio of the triangle

Difficulty: hard

3

Teacher manual

1. Methodical recommendation
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