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Objective: To recognize and classify angles and
Their parts. 4.12.1
Class Notes Geometry Sec 2.2
1. Review: Two angles are complimentary, the first
is 23, what is the measure of the second?
2. Review: Two angles are supplementary, the first
is 47, what is the measure of the second?
3. Review: Which two angles in the diagram below
are adjacent? _______ non adjacent? _____
3
2
4
1
7. Given that the m1 is 23 find each.
a. m2 = ______
2
1
b. m3 = ______
3
4
c. m4 = ______
Given that the m2 is 3x - 4 and m1 is x find each.
a. x = ______
d. m1 = ______
b. m3 = ______ e. m2 = ______
c. m4 = ______
Given that the m1 is 3x - 8 and the m 2 = (2x + 3)
find each.
d. m3 = ______
a. x = ______
b. m1 = ______ e. m4 = ______
c. m2 = ______
Flash
6. An angle that measures 120 is a _________angle.
A. Acute B. Right C. Straight D. Obtuse
7. An angle that measures 180 is a ________ angle.
A. Acute B. Right C. Straight D. Obtuse
8. An angle that measures 90 is a __________ angle.
A. Acute
B. Right C. Straight
D. Obtuse
9. An angle that measures 89 is a _________ angle.
A. Acute
B. Right C. Straight
D. Obtuse
10. An angle that measures 169 is a _________ angle.
A. Acute
B. Right C. Straight
D. Obtuse
Flash
11.Two adjacent angles formed by intersecting lines
are best described as ___________.
a. Linear Pair
b. Vertical
c. Complimentary d. Nonadjacent
12. Two nonadjacent angles formed by intersecting lines
are best described as ___________.
a. Adjacent
b. Vertical
c. Complimentary d. Supplementary
13. Two angles are complementary. One is 79, what
is the measure of the other?
a. 111 b. 101 c. 11 d. 1
14. Two angles are supplementary. One is 79, what
is the measure of the other?
a. 111
b. 101 c. 11 d. 1