Name: _________________________________________________ Period: ________Date _____________

Geometry: Classwork

Find the measure of all the missing angles.

1. 2. 3.

a = _____ a = _____ a = _____b = _____ b = _____c = _____ c = _____

d = _____

4. 5. 6.

a = _____ a = _____ a = _____b = _____ b = _____ b = _____c = _____ c = _____ c = _____d = _____ d = _____e = _____ e = _____

Fill in each blank with a true statement.

7.

8.

9.

10.

are supplementary,

If an angle is obtuse, then its supplement must be an __________________ angle.

Write and solve an equation to find the missing angle measures.

Find the missing angle measure using any method.

20. What is the measure of an angle, if three is subtracted from twice the supplement and the result is 297 degrees?

11. 12.

13. 14.

15. 16.

17. 18. 19.