5th Grade Angles Worksheet — Level 2 — Practice Set 2 — Answers
Answer sheet with worked solutions for the 5th Grade angles worksheet.
Success TutoringWorksheetsAnswer sheet5th Grade · Mathematics · Angles5th Grade Angles Worksheet — Level 2 — Practice Set 2 — Answers
State the angle rule you use.
1.Two angles on a straight line are 119° and x°. Find x.
Answer: x = 61
- Angles on a straight line add to 180°
- x = 180 − 119 = 61
2.Two angles of a triangle are 99° and 54°. Find the third angle.
Answer: 27°
- Angles in a triangle add to 180°
- 180 − 99 − 54 = 27
3.Two angles of a triangle are 104° and 82°. Find the third angle.
Answer: -6°
- Angles in a triangle add to 180°
- 180 − 104 − 82 = -6
4.Two angles of a triangle are 55° and 101°. Find the third angle.
Answer: 24°
- Angles in a triangle add to 180°
- 180 − 55 − 101 = 24
5.Two angles on a straight line are 90° and x°. Find x.
Answer: x = 90
- Angles on a straight line add to 180°
- x = 180 − 90 = 90
6.Two angles on a straight line are 132° and x°. Find x.
Answer: x = 48
- Angles on a straight line add to 180°
- x = 180 − 132 = 48
7.Two angles of a triangle are 120° and 118°. Find the third angle.
Answer: -58°
- Angles in a triangle add to 180°
- 180 − 120 − 118 = -58
8.Two angles on a straight line are 68° and x°. Find x.
Answer: x = 112
- Angles on a straight line add to 180°
- x = 180 − 68 = 112
9.Two angles on a straight line are 75° and x°. Find x.
Answer: x = 105
- Angles on a straight line add to 180°
- x = 180 − 75 = 105
10.Two angles on a straight line are 61° and x°. Find x.
Answer: x = 119
- Angles on a straight line add to 180°
- x = 180 − 61 = 119
Marking tips
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