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Unformatted text preview: (d) If A and B are two distinct points,  PA  =  PB  and  QA  =  QB  then P = Q . (e) An isometry that ﬁxes a point is an involution. (f) If an isometry f ﬁxes points A, B and C then f = ι . (g) ρ1 C, θ = ρ C,θ = σ C for any point C . (h) If a directed angle from a line ‘ to a line m is 4 π/ 3 radians then σ m σ ‘ is a rotation through 2 π/ 3 radians. (i) σ m σ ‘ = τ 2 L, M = σ M σ L if point L is on line ‘ and point M is on line m . 1...
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This note was uploaded on 12/26/2011 for the course MATH 466 taught by Professor Ytalu during the Spring '11 term at Middle East Technical University.
 Spring '11
 ytalu
 Geometry, Equations

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