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1.4 Measuring Angles

DIRECTIONS:

1. Use the ANGLE Toolbar Image tool to measure the 3 interior angles of the triangle shown. 2. Also, use this tool to find and display the measure of the one interior angle (lower left). When you're done (or if your unsure of something), feel free to check by watching the quick silent screencast below the applet.

Quick (Silent) Demo

3. Drag the sides of the angle to create an acute angle. What is its measure?

4. Drag the sides of the angle to create a right angle. What is its measure?

5. Drag the sides of the angle to create an obtuse angle. What is its measure?