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What is the size of the angle:a at A?c at E?Draw an axis of symmetry from Y to Z.What does this axis do to angles Y and Z?b at M?d at X?Give the size of each missing angle.60°4560° |
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Answer» let the missing angle be x so sum of angles in triangle is 180°x + 60° + 60° = 180°x = 180° - 120°x = 60° |
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