Flashcards
Circle Theorems
Cards in this deck (8)
- 1What rule applies to this?Where a tangent meets a radius, the angle will be 90 degrees
- 2What rule applies to this?2 radii make an isosceles
- 3What rule applies to this?Angles subtended in the same arc- Angles formed from 2 points on the circumference are equal to other angles, in the same arc, formed from those 2 points- BASICALLY, THEY'E EQUAL
- 4What rule applies to this- angle in a semicircle?Angles formed by drawing lines from the ends of the diameter of a circle to its circumference form a right angle- C IS A RIGHT ANGLE
- 5What rule applies to this?If 2 tangents are drawn from a line and they cross, the length of the tangents (from the point where they touch the circle to the point where they cross) will be the same
- 6What rule applies to this- Angle at centre?Angle at centre is double angle at edge (a=2b)
- 7What rule applies to this- alternate segment theorem?Red angles are equal and green angles are equal
- 8What rule applies to this- cyclic quadrilaterals?Opposite angles in a cyclic quadrilateral ADD UP TO 180 DEGREES
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- GCSE Maths Flashcards on Circle Theorems, created by Gretta Mildred on 15/05/2015.
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- Gretta Mildred
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