Vocabulary
Angles
Formulas
Circles and Conjectures
Solve the Proportion
100
The name of a segment from the center of a circle to any point on the circle.
What is the radius?
100
A pair of angles that add together to equal 180 degrees.
What are supplementary angles?
100
Base times height divided by two.
What is the formula for the area of a triangle?
100
Two or more circles with the same center, but different radii.
What are concentric circles?
100
y:y+2=15:21
What is y=5?
200
A line that intersects a circle at any one point.
What is a tangent?
200
A pair of angles that add together to equal 90 degrees.
What are Complementary Angles?
200
3.14 times radius squared.
What is the formula for the area of a circle?
200
A circle inside a polygon that touches each side at one point.
What is an inscribed circle?
200
10:x=15:24
What is x=16?
300
The definition of a concave polygon.
What is a polygon with one or more interior angles greater than 180°?
300
2 angles that share a vertex and are next to each other, in which the angles equal 180 degrees.
What is a linear pair?
300
3.14 times radius squared divided by two.
What is the formula for the area of a semi-circle?
300
A circle which is drawn around a polygon and that intersects each vertex of the polygon.
What is a circumscribed circle?
300
7:21=a:18
What is a=5.6?
400
An equation stating that two ratios are equal.
What is a proportion?
400
A triangle with angles of 93 degrees, 65 degrees, and ______ degrees.
What is 22 degrees?
400
A triangle with legs of 8 and 6 have a hypotenuse of...
What is 10?
400
If one polygon is the image of another polygon under a dilation, then the polygons are similar.
What is the Dilation Similarity Conjecture?
400
10:b=15:24
What is b=16?
500
Changes the size of a figure based on a ratio.
What is Dilation?
500
Angle degrees in a parallelogram add up to.
What is 360 degrees?
500
A triangle with legs of 7 and 8 have a hypotenuse of...
What is 10.6?
500
If the ratio of any linear measurement of a figure or object is m/n, then the ratio of their area is (m/n)squared and the ratio of their volume is (m/n)cubed.
What is the Proportional Areas/Volumes Conjecture?
500
20:13=60:c
What is c=39?