Flashcards
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Cards in this deck (24)
- 1Angles at Centre The angle at the centre is twice the angle at the circumference on the same arc

- 2Angles in Semi-Circle The angle in a semi-circle is a right angle

- 3Angles on same arc Angles on the same arc are equal

- 4Isosceles triangle equal radii A triangle is isosceles is two of its sides are formed from the radii of a circle

- 5Base Angles Isosceles Triangle equal Radii Base angles of an isosceles triangle formed from the radii of a circle are equal

- 6Angles sum of Triangle Angles in a triangle add to 180

- 7Base Angles of Isosceles Triangle The base angles of an isosceles triangle are equal

- 8Angles in Equilateral Triangle Each angle in an equilateral triangle is 60

- 9Exterior angles of Triangle The exterior angle of a triangle equals the sum of the two interior opposite angles

- 10Angles sum of Quadrilateral Interior angles in a quadrilateral add up to 360

- 11Interior Angle sum of Polygon The interior angles of a polygon Sum = 180(n-2), where n is the number of sides

- 12Exterior angle sum of Polygon The exterior angles of a polygon add to 360

- 13Opposite Angles cyclic Quadrilateral Opposite angles of a cyclic quadrilateral add to 180

- 14Exterior Angle cyclic Quadrilateral The exterior angle of a cyclic quadrilateral is equal to the interior opposite angle

- 15Tangent Perpendicular Radii The angle where the radius meets the tangent is 90

- 16Angle Tangent Tangents from the point to a circle are the same length

- 17Perpendicular from Centre to Chord The perpendicular from the centre to the chord bisects the chord

- 18Angles in Alternate Segment The angle between a chord and a tangent is equal to the angle in the alternate (opposite) segment

- 19Vertically Opposite Angles Vertically opposite angles are equal

- 20Adjacent Angles on a Straight line Adjacent angles on a straight line adds up to 180

- 21Angles at a Point Angles at a point add up to 360

- 22Corresponding Angles on Parallel line Corresponding angles on parallel lines are equal

- 23Alternateangles on Parallel line Alternate angles on parallel lines are equal

- 24Co-interior angles on Parallel line Co-interior angles on parallel lines add up to 180

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- Flashcards on Untitled, created by joycao on 15/05/2016.
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