Show:
CP Vocabulary
Centroid & Ortho
Circumctr & Inctr
PSC Vocab/Chlng
Sim. Polys/ Trnfms
100

True or False: A triangle has 2 vertices.

false

100

True or false: A centroiod is never inside the triangle.

What is false ?

100

The incenter of a triangle is ________ from the _______ of a triangle.

equidistant; sides 

100

This is a comparison of a number a to a nonzero number b using division.

Ratio

100

These are the only three shortcuts that can be used to prove that triangles are similar.

AA, SSS, SAS

200

The _____ of a triangle is the perpendicular from the base.

altitude

200

The centroid is also called ______.

Center of gravity

200

The circumcenter is equidistant to the ______ of the triangle.

Vertices
200
If two polygons are similar then the ratio of the lengths of two corresponding sides is called the _______ ________.

Scale Factor

200

For two triangles to be similar using SSS all the corresponding sides must _________________.

Have the same ratio or be proportional

300

The three medians intersect at a single point, called _____.

the centroid of a triangle

300

The  Orthocenter is the point of concurrency for the ______ _______ of a triangle.

3 altitudes

300

In some situations, the circumcenter is located on the ________.

Hypotenuse

300

This is an equation that states that two ratios are equal.

Proportion

300

This is the only type of transformation that will contain numbers in the coordinate notation

A translation

400

A perpendicular bisector is a line that cuts a triangle's _____ into _____ equal parts at _____ degrees.

side; two; 90

400

What is the ratio the centroid divides each median into?

2:1
400

The circumcenter, the centroid, the orthocenter, and the incenter are all in this triangle

Equilateral

400

This type of transformation uses the coordinate notation:

(x,y)-->(-x,-y)

Rotation 180 degrees about the origin

400

<< DOUBLE JEOPARDY >>>

Solve for x in this proportion:

12/(5x-3) = 6/11

5

500

Three or more lines that have a point in common are __________.

Concurrent

500

Calculate the Centroid of this Triangle: 

A (-5, -3); B (3, -5); C (-1, 2)

(-1,-2)

500

The circumcenter is _______ an acute triangle, ______ an obtuse triangle, and ______ a right triangle.

inside, outside, on

500

DOUBLE JEOPARDY >>

Find the Orthocenter of this triangle:

P(0,-4); D(-4,4); Q(8,4)

(0,0)

500

This type of transformation uses the coordinate notation:

(x,y)-->(x+h,y+k)-->(y,x)

Glide Reflection