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| Questão | Responda |
| I | Adjacent angles on a straight line add to 180. |
| Enter text here... | Vertically opposite angles are equal. |
| Enter text here... | Angles at a point add to 360. |
| Enter text here... | Corresponding angles on parallel lines are equal. |
| Enter text here... | Alternate angles on parallel lines are equal. |
| Enter text here... | Co-interior angles on parallel lines add to 180. |
| Enter text here... | Angles in a triangle add to 180. |
| Enter text here... | The base angles of an isosceles triangle are equal. |
| Enter text here... | Each angle in an equilateral triangle is 60. |
| Enter text here... | The exterior angle of a triangle equals the sum of the two interior opposite angles. |
| Enter text here... | Interior angles in a quadrilateral add up to 360. |
| Enter text here... | The exterior angles of a polygon add to 360. |
| Enter text here... | A triangle is isosceles if two of its sides are formed from the radio of a circle. |
| Enter text here... | The angle at the centre is twice the angle at the circumference on the same arc. |
| Enter text here... | The angle in a semi-circle is a right angle. |
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