If r is the radius of a circle and d is its diameter, which of the following is an equivalent formula for the circumference c = 2r?

If r is theradius and d is the diameter of the circle. Then

d=2r because diameter is twice the radius.

Now to get the c:circumference of the circle just multiply this by π.

So, c=πd or c= π*2d as well.

Hence the formula for the circumference is c=πd or 2πr.

answer: procent 54 wynosi 33,33%

the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.