Which of the following uses the correct formula to find the approximate circumference of a circle that has a radius of 450?(1 point)
Responses
C≈3.14⋅450÷2
upper C approximately equals 3.14 times 450 divided by 2
C≈2⋅3.14⋅450
upper C approximately equals 2 times 3.14 times 450
C≈3.14⋅4502
upper C approximately equals 3.14 times 450 squared
C≈3.14⋅150
upper C approximately equals 3.14 times 150
C≈2⋅3.14⋅450
upper C approximately equals 2 times 3.14 times 450
Which formula correctly describes the proportional relationship between the circumference of a circle and the diameter?(1 point)
Responses
A=πr2
upper A equals pi r squared
π=dC
pi equals Start Fraction d over upper C
C=πd
upper C equals Start Fraction pi over d End Fraction
Cd=π
C=πd
upper C equals π d