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28.08.2019 •
Mathematics
What is the circumference of a circle with a diameter of 30 centimeters?
a. 94.2 centimeters
b. 188.4 centimeters
c. 9.55 centimeters
d. 47.1 centimeters
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Ответ:
option a is correct.
the circumference of a circle is, 94.2 centimeters
step-by-step explanation:
circumference of a circle can be found by multiplying by the diameter of the circle.
i.e, where
c is the circumference of a circle
d represents the diameter of a circle
and use value of
given: the diameter of a circle = 30 centimeters.
using circumference formula, we have
substitute the given value of d = 30 cm we have;
therefore the circumference of a circle is, 94.2 centimeters
Ответ:
Ответ:
yay thanks you too <3 love you
Step-by-step explanation: