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One side of an equilateral triangle is 2...

One side of an equilateral triangle is 24 cm. The midpoints of its sides are joined to form another triangle whose midpoints are in turn joined to form still another triangle this process continues indefinitely. The sum of the perimeters of all the triangles is

A

144 cm

B

72 cm

C

536 cm

D

676 cm

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The correct Answer is:
A
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