9. The figure consists of four small semi-circles of equal radii (each 42 cm) the perimeter of the shaded region is
a) 524 cm
b) 264 cm
c) 396 cm
d) 504 cm
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9. The figure consists of four small semi-circles of equal radii (each 42 cm) the perimeter of the shaded region is
a) 524 cm
b) 264 cm
c) 396 cm
d) 504 cm
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Answer:
a)524cm
Step-by-step explanation:
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