ILL GIVE BRAINLIST

1.The radius of a circle is 15. Using π, which equation expresses the ratio of the circumference to the diameter of a circle?

a)C=15πr
b)C30=π
c)C15=π
d)C=r30π

2.Given a circle with a circumference of 10cm, which equation shows how the relationship between a circumference and its diameter can be used to find π

a)π=10d
b)π=d10
c)π = 10d
d)π=110d

3.The circumference of a circle is about 37.7 cm and the diameter is about 12 cm. What expression best represents the value of π?

a)37.712
b)637.7
c)37.76
d)1237.7

4.Which best describes π?

a)The ratio of the radius to the circumference in a circle
b)The ratio of the circumference of a circle to its diameter
c)The square root of the circumference of a circle
d)The radius of a circle divided by 3.14

5.Circumference/diameter=π for every circle.

a)True
b)False