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HomeQuestion 1FluencyCore
Original practice · Free Online RevisionSkill · complementary angles
Find the complement of 38°.
Geometry & MensurationFoundationMaths revision
Angles (Basic)
Use angle facts as logical constraints rather than isolated rules.
Focus points
✓Use angles on lines and around a point.
✓Apply vertically opposite angles.
✓Form equations from angle relationships.
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Practice setQuestion lineup
Try each question first, reveal a hint when you need one, then check the worked answer. Mark them done as you go — finish the set to claim your chips.
8 revision questions
Question 2FluencyCore
Original practice · Free Online RevisionSkill · supplementary angles
Find the supplement of 127°.
Question 3FluencyCore
Original practice · Free Online RevisionSkill · angles around point
Three angles around a point are 95°, 122° and x. Find x.
Question 4FluencyCore
Original practice · Free Online RevisionSkill · vertical angles
Vertically opposite angles are (3x+5)° and (5x−27)°. Find x and the angle.
Question 5FluencyCore
Original practice · Free Online RevisionSkill · straight-line equation
Angles on a straight line are x°, 2x° and 3x°. Find all three.
Question 6FluencyCore
Original practice · Free Online RevisionSkill · parallel lines
Two parallel lines are cut by a transversal. One corresponding angle is 68°. Find the matching corresponding angle.
Question 7ReasoningCore
Original practice · Free Online RevisionSkill · angle reasoning
Explain why alternate interior angles are equal when two lines are parallel.
Question 8ChallengeStretch
Original practice · Free Online RevisionSkill · parallel-line equation
In a diagram, an angle is 2x+10 and its co-interior partner is 5x−5. Find x.