# If the diameter of the semicircle is 1.7 centimeters, what is the circumference of the semicircle? 5.338 cm 10.676 cm 2.669 cm 1.3345 cm

Just use pi*d which is the formula for a circumference. However, since it is half of a circle, it is pi*d/2. pi*1.7/2 2.67 cm

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