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Area of Triangles

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Description:
1.

Present the formula for finding the area of a triangle, being sure to discuss units.

2.

Demonstrate how to locate the height in a right, acute, and obtuse triangle.

3.

Demonstrate how to find either the height or base of a triangle when given its area.

4.

Provide examples that allow practice solving for the area of a triangle, as well as solving for the height or base of a triangle when given the area.

This packet should help a learner seeking to understand how to find the area of triangles.

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Tutorial

Formula for the Area of a Triangle

This video presents the formula for the area of a triangle. Note: when finding area, be sure to express your answer in terms of units squared.

Source: JasmineWanek on Guaranteach

Finding the Height of a Triangle

This video demonstrates how to locate the height in a right, acute, and obtuse triangle.

Finding Base or Height from Area

This video explains how to find the length of the base or height of a triangle given its area.

Practice Problems

This video provides examples that allow practice solving for the area of a triangle, as well as solving for the height or base of a triangle when given the area.