VOCABULARY
Vocab With a Picture!
ANGLE OF SECTOR
ARC LENGTH
SECTOR AREA
100
A type of line that will intersect a circle in exactly TWO places is...
What is a SECANT line?
100
Which Line is a Secant?
What is Line HG or Line GH?
100
Angle measure of a full circle.
What is 360 degrees?
100
The circumference of a circle is 20 inches, the arc length of the semi-circle is...
What is 10 inches?
100
The area of a circle is 24. The area of the semi-circle would be...
Exact answer only
What is 12?
200
A portion of the circumference of a circle.
What is Arc Length?
200
Which chord can more specifically be described as a diameter?
What is Segment KG or Segment GK?
200
Angle measure of one fifth of a circle.
What is 72 degrees?
200
Joe has a pizza with circumference of 1600. He cut it into 10 slices. The arc length of one slice of pizza is...
What is 160?
200
Dr. Sparks has a pizza with 8 slices. The area of the whole pizza is 32, the area of one slice would be...
Exact answer only
What is 4?
300
A portion of the area of a circle.
What is Arc Sector?
300
Name three Points of Tangency
What are points B, D, E, and K?
300
The angle measure of 2/6 of a circle.
What is 120 degrees?
300
With an angle of 25-degrees, a radius of 2, and a circumference of 4-pi, the measure of the arc length is...
(Exact answer or round to three decimal places)
What is 5pi/18 (0.873)?
300
A circle has an area of 80, and central angle of 45-degrees. The sector area would be...
Exact answer only
What is 10?
400
The angle created when two radii meet at the center of a circle.
hint: draw the picture
What is Central Angle?
400
Name one radius.
What is... (one of the following) segment JK, KJ, JG, or GJ?
400
With a circumference of 8-pi, a radius of 4, and an arc length of 2-pi, the measure of the angle is...
What is 90 degrees?
400
With an angle of 90- degrees, a radius of 4, the arc length would be...
(Exact answer or round to three decimal places)
What is 2-pi?
(6.28)
400
A circle with radius of 3, and an central angle of 120, has a sector area of...
(Exact answer or round to three decimal places)
What is 3-pi?
500
The Special type of Chord that must go through the center of the circle is...
What is the DIAMETER?
500
Name a semicircle in this picture.
What is arc KEG, arc GEK, arc KHG, or arc GHK?
500
When the Area of a circle is 9-pi, the sector area is 3/2-pi, the angle of the sector is....
What is 60 degrees?
500
With a central angle of 30 degrees, a radius of 8, the arc length would be...
(Exact answer or round to three decimal places)
What is 4pi / 3? (4.19)
500
A circle with a radius of 1.5 and a central angle of 270-degrees has a sector area of..
(Exact answer or round to three decimal places)
What is 607.5/360-pi?