Finding Angle Measures
- Topic:
- Geometry
Explore the vertical angles below to test the vertical angle theorem.
Look at the image above
What do you notice about the measures of the RED angles and the BLUE angles?
Look at the image below and answer the question
What is the measure of angle ACD (red)? How do you know?
Look at the image above
What are the angle measures for angles x, y, and z?
What are the angle measures of angles h, j, k and m?
Review: Sequences of Transformations
Below, practice identifying the sequences of transformations that produce the given image and preimage.
What series of transformations would take ABC to DEC?
What series of transformations take ABCD to ECGF?
Look at the image above
What series of transformations take ABCD to ECGF?
Review Symmetry
Review the applets below to practice identifying symmetry.
How many lines of symmetry does the "H" have? (Shape #12)
Use the applet above to check the rotation symmetry of the shapes. What angles give rotation symmetry for image #3?