Show:
circles
triangles
points
similarity
angles
100
a segment whose endpoints are on the circle edge
What is a chord?
100
all angles are less than 90 degrees
What is an acute triangle?
100
a circle is named after this
What is the center point?
100
proportions
What is a method to solve similarity problems?
100
together they equal 90 degrees
What complementary angles?
200
An angle whose vertex is the center of the circle.
What is a central angle?
200
congruency by showing two sides and the inclusive angle are the same measures
What is SAS?
200
two rays meet here
What is a vertex?
200
two ratios reduced that are the same for different size shapes.
What is a similarity ratio?
200
creates 8 angles and intersects two lines.
What is a transversal?
300
a line that intersects a circle at one point
What is a tangent line?
300
must have a right triangle whose squared legs equal the square of the hypotenuse
What is the Pythagorean Theorem?
300
a line and circle meet here
What is a point of tangency?
300
parts are matched up and listed accordingly
What is similarity statement?
300
share a common vertex but no common sides
What are vertical angles?
400
it is the same as the central angle measure
What is arc measure?
400
two side lengths are congruent on a triangle
What is an isosceles triangle?
400
a pyramid has only one base, but also has this.
What is the vertex?
400
same size, same shape
What is congruent?
400
it has the same measure as it's minor arc
What is a central angle?
500
the area of the circle in proportion to the degrees of the circle
What is sector area?
500
All sides are proportional
What are similar triangles.
500
this point is in the middle of a segment.
What is a midpoint?
500
comparing lengths of shadows
What is indirect measurement?
500
two angles that share a common side
What are adjacent angles?