Finding Angle Measures - Examples
For this angle measure worksheet, students measure specified angles. They determine the measures of angles in a triangle when given an equation containing one variable. This one-page worksheet contains approximately 20 problems.
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New Review Angles, Arcs, and Segments in Circles
Investigate relationships between angles, arcs, and segments in circles. Pupils use geometry software to discover the relationships between angles, arcs, and segments associated with circles. Class members use similar triangles to...
9th - 11th Math CCSS: Adaptable
Find Angle Measurements Using Complementary and Supplementary Angles
How can geometry learners remember the difference between supplementary and complementary angles? Not only will the video explain how to remember these two angles, but it also demonstrates how to find unknown angles knowing the degree of...
4 mins 6th - 8th Math CCSS: Designed
Measure Angles in Standard Position Using the Coordinate Plane
The mechanics of measuring angles is a skill that is often taken for granted in an upper-level math class. This clear and detailed video presentation bridges the gap between identifying angles in geometry, and using their unit-circle...
5 mins 9th - 12th Math CCSS: Designed
Find Radian Measure by Dividing Arc Length by Radius
In an approach that meshes higher-level thinking with approachable methods, this presentation walks that fine line between mathematical rigor and applications with skill. Not only are the specific steps for finding the radian measure of...
6 mins 9th - 12th Math CCSS: Designed
Find Angle Measurements Using Vertical Angles
Take on a different angle with this geometry activity, in this case, the vertical angle. Challenge learners to prove that vertical angles of two intersecting lines are congruent using the property of supplementary angles as modeled in...
3 mins 6th - 8th Math CCSS: Designed