Circle Vocabulary
Arc Calculations
Sector Calculations
Chord Calculations
Wild Card
100
What is the segment called that stretches from one end of the circle to another and crosses through the midpoint?
DIAMETER!
100
What is the MINOR arc measure of circle with a radius of 7 cm and a theta of 89 degrees?
10.86 cm
100
What is the minor sector area of a circle with a radius of 4 meters and a theta of 100 degrees?
36.63
100
See CC. 1
4
100
What is the word that explains similar shapes being enlarged or reduced?
Dialation
200
What is the segment called that measures the total outside edge of a circle?
Circumference
200
What is the major arc measure, if the theta is 100 degrees, and the radius is 21 inches?
94.2467 inches
200
What is the major sector area of a circle with a theta of 95 degrees and a radius of 11 cm.
279.678 cm squared
200
CC2
15
200
What is a postulate? If you cant define you must name all of them.
A postulate is a congruency shortcut. SAS ASA SSS SSA NOT AA OR SSA
300
What is a line called that touches the outside edge of the circle at one point?
Tangent Line
300
What is the minor arc length?
31.4
300
What is a minor sector area of a circle with a diameter of 21 and a theta of 10 degrees.
9.6163 m squared
300
CC3
11.6
300
What university did Ms. Dunn attend?
THE OHIO STATE UNIVERSITY!
400
What is the name of a segment that crosses through two edges of the circle and does not cross through the middle?
Chord
400
What is the degree measure of the specified theta?
150 degrees.
400
See diagram. What is the sector area of the bolded sector?
47.49 m squared
400
CC4
5.7
400
There is a lamppost casting a shadow on a person standing 10 feet away from it. THe person is 6.3 feet tall and the lamppost is 25 feet tall. How long is the persons shadow?
3.369 feet
500
What is the name of a line that crosses through the edges of a circle and does not cross through the midpoint?
Secant Line
500
What is the arc length of the bolded arc, if the diameter is 17 m.
26.6 m
500
What is the degree measure of the bolded arc if the radius is 12 cm, and the sector area is 111.75.
89 degrees
500
CC5
5.8
500
Jemarcus decides to measure the height of the school. He places a mirror between him and the building, he conducts the experiment that he learned in Ms. Dunn's class. Jemarcus is 5.9 feet tall, and the mirror is 4 feet from him and 20 feet from the school. What is the height of the school?
29.5 feet
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