Geometry - Help Packets

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Angles and Triangles - All Levels This two page help packet helps students better understand the sum of the angles of a triangle. If you add the three interior angles of any triangle you will get 180 degrees. With this knowledge they are able to find missing angles of triangles. Key concept: The three interior angles of a triangle will form a straight line or straight angle, which equals 180 degrees. Preview Print Answers

Circles (Area Formula) - All Levels This one page help worksheet explains where the formula for the area of a circle comes from. It uses pictures to help students relate circles to parallelograms. Key concept: Students should understand where the area formulas come from which will give them a better understanding in the future. Preview Print