Maths revision 1.0 / 5 based on 1 rating ? MathematicsCircle theorems; Standard form; IndicesGCSEAQA Created by: lizzyloo24Created on: 12-10-15 16:53 Circle Theorems-Arrow Arrow- the angle subtended at the centre is twice the angle subtended at the circumference. The angle at the centre of this arrow is always double the angle at the point. E.G. Angle at circumference = 55.5* Angle at the centre =111* 1 of 5 Circle Theorems-Triangles inside circles The triangle containing a diameter, will be a right angled triangle. 2 of 5 Circle Theorems-Cyclic quadrilaterals Opposite angles in a cyclic quadrilateral add up to 180* E.G. 100 + Y = 180* 60 + X = 180* Y = 80* X = 120* 3 of 5 Circle Theorems-Tangents to a circle A tangent will always meet a radius at 90* A tangent only touches the circle once. 4 of 5 Indices-Fractional,Laws of & Negative -Fractional -Laws of -Negative 5 of 5
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