Class 6 · Olympiad Prep

Two angles form a straight line. One is 75°. What is the other?

  • A.90
  • B.95
  • C.105 ✓
  • D.115
Explanation: 180° − 75° = 105°.

Class 6 IMO Mathematics Olympiad practice · Geometry & Spatial Thinking · Lines & Angles

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