Angle Pairs Practice Worksheet
∠
Angle Pairs Practice Worksheet
Mixed Practice: Complementary (90°) & Supplementary (180°) Angle Relationships
Name:
Date:
Period:
Score: / 15
📐 Complementary (Corner / Right ∠) ∠1 + ∠2 = 90°
📏 Supplementary (Straight Line) ∠1 + ∠2 = 180°
Directions
Identify the angle pair type, write an equation, and solve for the missing angle measure.
1
[ ] Comp (90°) [ ] Supp (180°)
36° x°
Equation: ____________________
Answer:
°
2
[ ] Comp (90°) [ ] Supp (180°)
128° y°
Equation: ____________________
Answer:
°
3
[ ] Comp (90°) [ ] Supp (180°)
42.5° a°
Equation: ____________________
Answer:
°
4
[ ] Comp (90°) [ ] Supp (180°)
b° 68.4°
Equation: ____________________
Answer:
°
5
[ ] Comp (90°) [ ] Supp (180°)
c° 45°
Equation: ____________________
Answer:
°
6
[ ] Comp (90°) [ ] Supp (180°)
19.8° m°
Equation: ____________________
Answer:
°
7
[ ] Comp (90°) [ ] Supp (180°)
63.25° k°
Equation: ____________________
Answer:
°
8
[ ] Comp (90°) [ ] Supp (180°)
142.3° p°
Equation: ____________________
Answer:
°
Geometry Practice Series • Angle Relationships Page 1 of 2 (Continue to Page 2)
∠
Angle Pairs Practice Worksheet
Mixed Practice Continued (Questions 9–15)
Check: Comp = 90° | Supp = 180°
9
[ ] Comp (90°) [ ] Supp (180°)
x° 75°
Equation: ____________________
Answer:
°
10
[ ] Comp (90°) [ ] Supp (180°)
w° 57°
Equation: ____________________
Answer:
°
11
[ ] Comp (90°) [ ] Supp (180°)
115.5° z°
Equation: ____________________
Answer:
°
12
[ ] Comp (90°) [ ] Supp (180°)
28.6° t°
Equation: ____________________
Answer:
°
13
[ ] Comp (90°) [ ] Supp (180°)
r° 84.75°
Equation: ____________________
Answer:
°
14
[ ] Comp (90°) [ ] Supp (180°)
71.3° d°
Equation: ____________________
Answer:
°
15
[ ] Comp (90°) [ ] Supp (180°)
163.8° h°
Equation: ____________________
Answer:
°
★ Extension Challenge +2 Bonus Points
Angle Puzzle: \(\angle 1\) and \(\angle 2\) are complementary. If \(\angle 1 = 34.6^\circ\), find the measure of angle \(\angle 3\) which is supplementary to \(\angle 2\).
Step 1: \(\angle 2 =\) _______° | Step 2: \(\angle 3 =\) 180° − \(\angle 2\)
\(\angle 3\) Measure:
°
Geometry Practice Series • Angle Relationships Page 2 of 2 • Completed