Some circles are drawn below. Use your divider to find out if they have equal radii. Write which circles are congruent.

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Solution

Two circles are congruent if they have equal radii.
By measuring the radius using a divider we found that the circle with centre A is congruent with the circle with centre P.
Similarly, the circle with centre C is congruent with the circle with centre Q, the circle with centre D is congruent with the circle with centre R and the circle with centre B is congruent with the circle with centre S.

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