MathsFreePrintable
Missing Angles Worksheet
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Missing Angles Worksheet
📐 Part 1: Angles on a Straight Line
Remember: Angles on a straight line add up to 180°
1. Find the missing angle: 65° + _____ = 180°
2. Two angles on a straight line are 47° and x°. What is x?
3. Three angles on a straight line are 35°, 82°, and y°. Find y.
4. If one angle is 126°, what is the other angle on the same straight line?
🔄 Part 2: Angles Around a Point
Remember: Angles around a point add up to 360°
5. Four angles around a point are 90°, 85°, 110°, and z°. Find z.
6. Find the missing angle: 145° + 73° + _____ = 360°
7. Three equal angles and one angle of 75° meet at a point. Find each equal angle.
8. Two angles around a point are 156° and 204°. What are the other two angles if they are equal?
📐 Part 3: Angles in Triangles
Remember: Angles in a triangle add up to 180°
9. In triangle ABC, angle A = 45° and angle B = 67°. Find angle C.
10. A triangle has angles of 35°, 58°, and x°. Calculate x.
11. In an isosceles triangle, two angles are equal and the third angle is 40°. Find the equal angles.
12. A right-angled triangle has one angle of 32°. What is the third angle?
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