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There are three circles with centres P, Q and R, each having a radius 24 cm. The three circles intersect each other as shown in the figure below. If ST = 4 cm, UV = 7 cm and WX = 10 cm, find the perimeter of the triangle formed by joining the centres of the three circles.

A

123 cm

B

144 cm

C

125 cm

D

136 cm

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A
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