Question

match the terms with their corresponding definitions:

radius
circumference
chord
pi
diameter

definitions:

• a line segment with endpoints on the circle
• the special relationship that is formed from the ratio of the circumference to the diameter (3.14)
• the distance from the center to any point on the circle
• the distance around the entire circle
• a line segment passing through the center of the circle to endpoints on either side of the circle

4 multiple choice 1 point
find the area of a circle with a diameter of 23 m. use 3.14 for pi and round your solution to the nearest tenth.

415.3 m^2
514 m^2
1,661.1 m^2
144.4 m^2

5 multiple choice 1 point
what is the equation for circumference?

Explanation:

Match terms with definitions

$$
LATEXBLOCK0
$$

Calculate the area of the circle

$$
LATEXBLOCK1
$$

Identify the equation for circumference

$$
LATEXBLOCK2
$$

Answer:

Question 1

• Radius: the distance from the center to any point on the circle
• Circumference: the distance around the entire circle
• Chord: a line segment with endpoints on the circle
• Pi: the special relationship that is formed from the ratio of the circumference to the diameter (3.14)
• Diameter: a line segment passing through the center of the circle to endpoints on either side of the circle

Question 2

• (A) \(415.3\text{ m}^2\) (Correct answer)
• (B) \(514\text{ m}^2\)
• (C) \(1,661.1\text{ m}^2\)
• (D) \(144.4\text{ m}^2\)

Question 3

$$C = \pi d \quad \text{or} \quad C = 2\pi r$$