1.1 Review Worksheet (continued)
Use the protractor to find the measure of each angle. Then classify each as acute, right, or obtuse. 19. ∠ CGE 20. ∠ BGD 21. ∠ AGB
C
D
90
B
E
A
F
G
1
2
3
4
5
T is in the interior of ∠ RSU . Find each of the following. 22. m ∠ RSU if m ∠ RST = 38° and m ∠ TSU = 28.6°
23. m ∠ RST if m ∠ TSU = 46.7° and m ∠ RSU = 83.5°
SP bisects ∠ RST . Find each of the following. 24. m ∠ RST if m ∠ RSP = (3 x − 2)° and m ∠ PST = (9 x − 26)°
5 2
25. m ∠ RSP if m ∠ RST =
and
y
m ∠ PST = ( y + 5)°
1.1.4 Pairs of Angles Tell whether the angles are only adjacent, adjacent and form a linear pair, or not adjacent. 26. ∠ 1 and ∠ 4 27. ∠ 2 and ∠ 3
2
1
3
4
28. ∠ 3 and ∠ 4
29. ∠ 3 and ∠ 1
40
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