# Thales' , grade 9, Question 1

27/01/2017

Draw a right triangle ABC of hypotenuse BC s.t AB = 5cm and AC = 9cm.

1.  Use Thales to plot a point M on [AC] s.t

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2. Construct triangle AB'C' , the reduction of triangle ABC by scale factor

3. Calculate BC and deduce the length of B'C'.