Circle Terms Basic
The distance from the center of a circle to the outside, also half of the diameter
Radius
An arc with a measure of greater than 180 degrees
Major arc
The radius is 5
10
Find the area of a circle with a diameter of length 4 inches (round your answer to the nearest hundredth of a square inch).
50.27 square inches
What is the fastest animal?
Cheetah
The longest chord in a circle
Diameter
An angle with a vertex ON the circle and two sides that are chords.
Inscribed angle
The radius is 2.5
5
Two congruent chords have measures of 9x - 34 and 4x + 1. Find the value of x.
7
How many sides are there in Octagon?
8
A line through the circle
Chord
An arc with endpoints on the diameter
Semicircle
The circumference is 20*pi
20
21
Who was the first Disney princess?
Snow White
The total amount of space inside of a circle
Area
An angle with the vertex at the center and two sides that are radii.
Central angle
The circumference is 15.7 (round to the nearest whole number).
5
A 16-inch pendulum swings through an angle of 40°. How far does the tip of the pendulum travel in a single swing? Round to the nearest hundredth of an inch.
11.17 inches
Who painted the Mona Lisa?
Leonardo Da Vinci
A portion on the edge of the circle. Defined by two endpoints.
Arc
An arc with a measure of less than 180
Minor arc
The area is 28.27 (round to the nearest whole number).
6
The radius of Circle A is three feet less than twice the diameter of Circle B. If the sum of the diameters of both circles is 49 feet, find the area of Circle A to the nearest hundredth of a square foot.
1134.11 square feet
How many times does a person laugh each day on average?