Curated OER
Angles at a Point
In this angles worksheet, students find the measurement of missing angles. They identify complimentary, supplementary and vertical angles. This one-page worksheet contains 4 problems. Answers are provided.
Curated OER
Mixed Right Triangles
In this geometry worksheet, 10th graders use right triangle trigonometry to find the missing angle measure or side length in right triangles. The one page interactive worksheet contains ten questions. Answers and hints are included.
Curated OER
Angles in a Triangle
In this geometry worksheet, 10th graders determine the measure or measures of the missing angle(s) in a triangle. The one page interactive worksheet contains four questions. Answers and hints are included.
Curated OER
Try These Angles! Exploring Angles: Post Test
In this angles worksheet, students answer multiple choice questions about angles on their own and angles inside shapes. Students complete 10 multiple choice questions.
Curated OER
Law of Cosines
In this cosine learning exercise, high schoolers will find the length of the third side of a triangle given the length of the other two side. Students will use the Law of Cosines to find the length of the missing side. Answers will be...
Curated OER
Arcs and Chords Multiple Choice
In this geometry activity, learners answer questions about triangles using the correct properties. They find missing angles and sides of triangles. There are 15 questions with an answer key.
Curated OER
Similar Figures
In this similar figures learning exercise, students identify the meaning of similar, corresponding sides, and congruent. They use proportions to find the length of a missing side. Students dilate given figures according to a...
Mangahigh
Mangahigh: Shape: The Angles Inside a Triangle
Test your knowledge of the missing angle measure.
Mangahigh
Mangahigh: Shape: Opposite Angles
Explore opposite angles by chosing the appropriate angle for the missing degree of measure.