A triangle has angles 55° and 60°. Find the third angle.
- A.115
- B.75
- C.65 ✓
- D.55
Explanation: 180° − 55° − 60° = 65°.
Class 6 IMO Mathematics Olympiad practice · Geometry & Spatial Thinking · Lines & Angles
← All Lines & Angles questionsClass 6 · Olympiad Prep
Class 6 IMO Mathematics Olympiad practice · Geometry & Spatial Thinking · Lines & Angles
← All Lines & Angles questions