CK-12 Geometry-Concepts

http://www.ck12.org Chapter 1. Basics of Geometry

Interactive Practice

MEDIA

Click image to the left for use the URL below.

URL: http://www.ck12.org/flx/render/embeddedobject/113044

Explore More

1. What ism^6 LMNifm^6 LMO= 85 ◦andm^6 NMO= 53 ◦?


2. Ifm^6 ABD= 100 ◦, findx.

For questions 3-6, determine if the statement is true or false.

3. For an angle^6 ABC,Cis the vertex.


4. For an angle^6 ABC,ABandBCare the sides.


5. Themin front ofm^6 ABCmeans measure.


6. The Angle Addition Postulate says that an angle is equal to the sum of the smaller angles around it.

For 7-12, draw the angle with the given degree, using a protractor and a ruler.

7. 55◦


8. 92◦


9. 178◦


10. 5◦


11. 120◦


12. 73◦

For 13-16, use a protractor to determine the measure of each angle.

13.