nforrestall
19.09.2019 •
Mathematics
8. for a button to fit through its buttonhole, the hole needs to be the size of the button's diameter. what size buttonhole is needed for a button with a circumference of 7.38 centimeters? (use the value of 3.14 to represent pi.)
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Ответ:
d=2.35cm
Step-by-step explanation:
A circumference is the perimeter of a circle.
P= 7.38cm
The perimeter formula of a circumference is:
P = 2 * π* r
2 * r = d (circumference diameter)
Thus:
P = π * d
d = P/ π
d = 7.38cm / 3.14
d = 2.35cm
Ответ:
the answer is indeed c
Step-by-step explanation: