Quadrilaterals
Similar Figures
Polygons
Circles
100
The rule for this special quadrilateral is that all 4 sides are congruent, but not necessarily the angles.
What is a rhombus?
100
2 Triangles are similar if these parts of the triangles are congruent.
What are the angles?
100
A 6 sided polygon.
What is a hexagon?
100
The measure of an arc is always the same as this measure.
What is the central angle?
200
The 4 angles of a quadrilateral add up to this.
What is 360 degrees?
200
To be considered similar, the corresponding sides of 2 triangles must be this?
What is proportional?
200
A nine sided polygon.
What is a nonagon?
200
The measure of a semicircle.
What is 180 degrees?
300
Opposite angles of a parallelogram can be classified as this.
What are congruent angles?
300
To solve a problem involving proportional parts of triangles with one unknown side, use this familiar method.
What is cross multiply and solve?
300
In a polygon, this is found by using the formula (n - 2)180/n, where n is the number of sides.
What is the measure of an interior angle?
300
Found by using the formula 2(pi)r, it is the measure of the distance around a circle.
What is the circumference?
400
The length of the median of a trapezoid is found by finding the average of the lengths of these two sides.
What are the bases?
400

This is the definition of similar figures.

What is "figures that have all angles congruent and all sides proportional?"

400
The name for a polygon that "caves in".
What is concave?
400
Given the circumference of a circle, you must work backwards to find this, before finding the area.
What is the radius?