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A#3-2
NAME___________________________________DATE__________________PER.________
SPECIAL ANGLE PAIRS
Identify the type of angle pair and solve for ‘x’ in each of the following
problems.
2. m∠H + m∠J = 90°.
1. m∠F + m∠G = 180°.
F
(4x)°

H
G
(8x)°
J
(x + 24)°
(x)°
Type of pair:__________________
Type of pair:__________________
x = _______________
x = _______________
3.
4.
(4x)°
(
5.
(5x – 27)°
2
x)° (90)°
3
Type of pair:__________________
Type of pair:__________________
x = _______________
x = _______________
(3x + 15)°°
6.
(2x)°°
(12x + 25)°°
(3x – 10)°°
Type of pair:__________________
Type of pair:__________________
x = _______________
x = _______________

A#3-2 PG. 2
7. Find the measures of two complementary angles, ∠A and ∠B, if
m∠A = (7x + 4)° and m∠B = (4x + 9)°.
m∠A = _______________; m∠B = _______________
8. Find the measure of two supplementary angles, ∠A and ∠B, if
m∠A = (3x – 7)° and m∠B = (2x + 2)°.
m∠A = _______________; m∠B = _______________
REVIEW
9. m∠ABD = (3x + 1)°, m∠DBC = (4x – 7)° and m∠ABC = 85°. Find m∠ABD.


m∠ABD = _______________


10. Classify the angle:____________________
°

11. Name the sides of this angle:_______________



A#3-2 PG. 3
12. YW is a bisector of ∠XYZ. m∠XYW = (8x – 5)° and m∠WYZ = (6x + 17)°.
Find the m∠XYZ.


m∠XYZ = _______________


13. Find AB if A(0, 3) and B(2, 7).
AB = _______________
14. Find the midpoint of AB described in #13.
Midpoint(__________, __________)
TAKS PRACTICE
Find the correct answer for each of the following. Clearly circle your answer. Work
must be shown in order to receive credit.
15. Which is the positive root of
4x 2 − 4x − 8 = 0 ?
A. 1
B. 2
C. 4
D. 8
16. Lauren wants to invest an amount of
money in an account that earns 3.5%
interest per year. Which of these is a
description for the amount of interest
earned in one year?
A. The amount of interest she will
earn depends on the size of the
bank.
B. The amount of interest she will
earn depends on the amount
invested.
C. The amount invested depends on
the interest rate.
D. The amount invested depends on
the amount of interest she will
earn.
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