Question

PLZ answer these 3 questions for FREE POINTS

1.π is the ratio of _______________ to _______________.
A) area to diameter
B) perimeter to area
C) radius to diameter
D) circumference to diameter

2. A lawn sprinkler sprays water 7 feet in every direction as it rotates.
What is the distance around the outside circle of water? Leave your answers in terms of π.
A) 7π
B) 14π
C) 49π

3. How are the radius and diameter of a circle related?
A) The radius is half the diameter.
B) The radius is twice the diameter.
C) The radius squared is the diameter.
D) The diameter is the square of the radius.
D) 28π

Answer 1

1 .(d) circumference to diameter

2. (b) 14π

3. ( a) radius is half of the diameter

as

The d represents the measure of the diameter, and r represents the measure of the radius. The diameter is always twice the radius, so either form of the equation works. This formula reads, “Area equals pi are squared.” Find the radius, circumference, and area of a circle if its diameter is equal to 10 feet in length.

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Answer 2

D is correct circumference to diameter