Illustrative Math Geometry

If a line divides two sides of a triangle proportionally, the line must be ___________ to the third side of the triangle.

One figure is similar to another figure if...

All ____________ are similar

• Rectangles

• Circles

• Squares

• Triangles

• Equilateral Triangles

What does the Angle-Angle Triangle Similarity Theorem state?

What are the values of v and w?

• v = 35

• v = 37

• w = 55

• w = 53

A dilation takes a line not passing through the center of dilation to a ___________ ___________, and leaves a line passing through the center unchanged.

In triangle ABC, the measure of angle A is 90 degrees. The length of AB is 1 unit. The length of AC is 8 units. Find the approximate length of BC.

• BC = 7.6 units

• BC = 8.1 units

• BC = 8.4 units

• BC = 9.1 units

What does the Triangle Sum Theorem state?

Find the value of x that makes the equation true. Be ready to share your reasoning!

• x = 7

• x = 6

• x = 8

• x = 9

To dilate an object, you need...

• Center

• Line of reflection

• Scale factor

• Degree measure