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Transcript
```Name___________________________
Hr___
1-4 Pairs of Angles
Go to http://www.mathplayground.com/measuringangles.html and select the measuring angles activity.
Rotate the protractor around to help you solve the first 5 questions.
List the first five answers here ______ _____ ______ ______ ______
Now go to http://www.southallegheny.org/webpages/trishel/geometry.cfm?subpage=896155
Or Google “Pairs of Angles Applet” and select the webpage that lists the matching web address above
below.
2) Can the adjacent angles overlap?
3) Vertical Angles: Select the Vertical Angles “Click Here”. Draw and identify a pair of vertical
angles below.
Complete the sentence: Notice in the applet the vertical angles are always ___________
In the picture to the right…
4) Which two angles are adjacent? __________
5) Which two angles are vertical angles?______
6) Complementary Angles: Select the Complementary Angles “Click Here”. Draw a pair of
complementary angles below. (In the applet keep angle PQR acute to keep them complementary).
7) Complementary angles always add up to _____.
8) Do complementary angles have to be adjacent (share a side)? _____
9) If angle ABC = 3x, angle DEF = 6x, and the two angles are complementary, write an equation to
find x and then solve for x.
10) Supplementary Angles: Select the Supplementary Angles “Click Here”. Draw a pair of
supplementary angles below.
11) Supplementary angles always add up to _____.
12) Do supplementary angles have to be adjacent (share a side)? _____
13) If angle ABC = 3x, angle DEF = 5x + 20, and the two angles are supplementary, write an
equation to find x and then solve for x.
14) Linear Pair of Angles: Select the Linear Pair of Angles “Click Here”. Draw a pair of linear pair
angles below.
15) A linear pair of angles is ____________________ and ____________________.
16) In your own words, what is the difference between adjacent, not adjacent, and linear pair angles
Check Mr. Lock’s answer key and get his initials ______
Watch summary video (under 10 minutes) of 1-4 on Edmodo and Do p. 31; 3-8, 12-19, 26-30 51, 55
Direct l ink to summary video: https://youtu.be/sJzCQicR_5E
```
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