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More Lessons for High School Regents Exam

Math Worksheets

High School Math based on the topics required for the Regents Exam conducted by NYSED.

**What is the Heron's Formula?**

The Heron's Formula is used to determine the area of a triangle when given the lengths of the sides.

Given that the length of the sides of the triangle is a, b and c.

Let s = (a + b + c)/2

Area of triangle = √(s(s-a)(s-b)(s-c))

The following diagram shows the Heron's formula to find the area of a triangle. Scroll down the page for more examples and solutions on how to use the Heron's Formula.

**Heron's Formula**

Using Heron's Formula to determine the area of a triangle while only knowing the lengths of the sides.**Using Heron formula**

Find the area of a triangle using Heron formula

**Heron's Formula**

This video explains how to determine the area of a triangle given the length of the three sides.**Derivation or Proof of Heron's Formula **

This video will help you to derive Heron's Formula to find the Area of Oblique Triangles using three sides

More Lessons for High School Regents Exam

Math Worksheets

High School Math based on the topics required for the Regents Exam conducted by NYSED.

The Heron's Formula is used to determine the area of a triangle when given the lengths of the sides.

Given that the length of the sides of the triangle is a, b and c.

Let s = (a + b + c)/2

Area of triangle = √(s(s-a)(s-b)(s-c))

The following diagram shows the Heron's formula to find the area of a triangle. Scroll down the page for more examples and solutions on how to use the Heron's Formula.

Using Heron's Formula to determine the area of a triangle while only knowing the lengths of the sides.

Find the area of a triangle using Heron formula

This video explains how to determine the area of a triangle given the length of the three sides.

This video will help you to derive Heron's Formula to find the Area of Oblique Triangles using three sides

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