C1 set4 0.0 / 5 ? MathematicsCircleASOCR Created by: izzyyyyyCreated on: 20-02-14 13:52 pythagoras theorem a^2 + b^2 = c^2 1 of 5 equation of circle (x-a)^2 + (x+b)^2 = r^2 2 of 5 find centre midpoint AB 3 of 5 tangent is...to centre perpendicular 4 of 5 pythargoras theorem is used for circles with centre... (0,0) 5 of 5
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