Circles Vocab!
All About the Angles
Lengths for days!
Expand your Mind
Inside Out!
100
A line that shows a distance from the center of the circle to the edge of the circle
What is, Radius
100
What is the Measure of <CAB?
What is 64 degrees
100
The formula A2+B2=C2 is called what?
What is the Pythagorean Theorem
100
Point O, can help determine the Scale Factor between the two similar circles, what is Point O called?
What is, Center of Dilation
100
Tangent lines connected to a radius in a circle are how many degrees?
What is 90 degrees
200
A Chord that passes through the center of a circle
What is a Diameter
200
the angle that measures 32 degrees is called what?
What is the Inscribed Angle
200
What is the formula for Circumference of a Circle?
What is,
2pir
200
What is the scale factor of the small circle enlarging to the big circle?
What is, 12
200
What is, 13
300
A Line whose endpoints lie on a circle
What is a chord
300
Any inscribed angle that is connected to a Diameter will equal how many degrees?
What is 90 degress/right angle
300
If the diameter equal 10, what is the circumference of the circle? Round to the nearest whole number.
What is, 31
300
What is the Scale Factor of the large circle going to the small circle?
What is, 1/5
300
What is, 113 degrees
400
A Line that intersects a circle at exactly one point, lies outside of the circle
What is a Tangent Line
400
If my central angle measure 126 degrees, how much will the inscribed angle equal
What is, 63 degrees
400
A circle is drawn with a radius of 4, what is the area? Leave in terms of pi.
What is,
16pi
400
If the Scale Factor is 8, is the circle enlarging or reducing?
What is englarging
400
Identify the tangent line.
What is TV/ VT/ TQ/ QT
500
An angle whose vertext is a the center of the circle and sides pass through a pair of points on the circle
What is a Central Angle
500
The retina of an eye receives light from an opening of 48 degrees, if I wanted to find out how many degrees the space the cornea takes up on the eye, How would I find that degree measurement?
What is, multiply by 2
500
What is the length of a semicircle in degrees?
What is 180 degrees
500
If the Scale factor is a fraction, is the similar figures enlarging or reducing?
What is, reducing
500
<EDF = 62⁰, how many degrees is <FDC?
What is 90⁰