Question

read the sentences below, filling in the blanks with items from this list. each item will be used once.
diameter
radius
radius
circumference
3.14
circumference
pi
the ratio of the circumference to the diameter of any circle is known as ______.
the approximate value of π (pi) is ______.
a circles diameter is twice the length of its ______.
the distance around the edge of a circle is called its ______.
the longest distance across a circle, passing through the center, is called the ______.
the distance from the center of a circle to any point on its edge is the ______.
the total distance around a circle is known as the ______.

Explanation:

1. The ratio of a circle's circumference to its diameter is defined as pi.
2. 3.14 is the common approximate decimal value for pi.
3. By definition, diameter = 2 × radius, so diameter is twice the radius.
4. The edge distance around a circle is its circumference.
5. The longest distance across a circle through its center is the diameter.
6. The distance from the circle's center to its edge is the radius.
7. The total distance around a circle is another description of circumference.

Answer:

1. The ratio of the circumference to the diameter of any circle is known as pi
2. The approximate value of π (pi) is 3.14
3. A circle's diameter is twice the length of its radius
4. The distance around the edge of a circle is called its circumference
5. The longest distance across a circle, passing through the center, is called the diameter
6. The distance from the center of a circle to any point on its edge is the radius
7. The total distance around a circle is known as the circumference