Year 6 Angles Worksheet — Level 2 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 6 angles worksheet.
Success TutoringWorksheetsAnswer sheetYear 6 · Mathematics · AnglesYear 6 Angles Worksheet — Level 2 — Practice Set 3 — Answers
State the angle rule you use.
1.Two angles on a straight line are 20° and x°. Find x.
Answer: x = 160
- Angles on a straight line add to 180°
- x = 180 − 20 = 160
2.Two angles of a triangle are 114° and 118°. Find the third angle.
Answer: -52°
- Angles in a triangle add to 180°
- 180 − 114 − 118 = -52
3.Two angles of a triangle are 85° and 91°. Find the third angle.
Answer: 4°
- Angles in a triangle add to 180°
- 180 − 85 − 91 = 4
4.Two angles of a triangle are 115° and 101°. Find the third angle.
Answer: -36°
- Angles in a triangle add to 180°
- 180 − 115 − 101 = -36
5.Two angles of a triangle are 97° and 39°. Find the third angle.
Answer: 44°
- Angles in a triangle add to 180°
- 180 − 97 − 39 = 44
6.Two angles on a straight line are 106° and x°. Find x.
Answer: x = 74
- Angles on a straight line add to 180°
- x = 180 − 106 = 74
7.Two angles of a triangle are 62° and 63°. Find the third angle.
Answer: 55°
- Angles in a triangle add to 180°
- 180 − 62 − 63 = 55
8.Two angles on a straight line are 116° and x°. Find x.
Answer: x = 64
- Angles on a straight line add to 180°
- x = 180 − 116 = 64
9.Two angles of a triangle are 36° and 85°. Find the third angle.
Answer: 59°
- Angles in a triangle add to 180°
- 180 − 36 − 85 = 59
10.Two angles of a triangle are 114° and 116°. Find the third angle.
Answer: -50°
- Angles in a triangle add to 180°
- 180 − 114 − 116 = -50
Marking tips
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