Review Quiz for Mock Test

What is the value of x?

Mark is 6 ft tall and casts a 15 ft shadow. At the same time of day, a nearby building casts a 30 ft shadow. How tall is the building?

Complete the proportions. Write your answer to the first proportion and to the second proportion, separated by a comma (ex. a, b)

The two triangles are similar, what is the value of x in the figure? Write your answer as a fraction in simplest form.

What is the area of this triangle?

List ALL the similar triangles in this figure:

These are lines or segments that form right angles.

What is a midsegment of a triangle?

• The segment connecting the midpoints of two sides of a triangle is parallel to the third side and half the length of the third side.
• The segment connecting the midpoints of two sides of a triangle is parallel to the third side and twice the length of the third side.
• The segment connecting the midpoints of two sides of a triangle is perpendicular to the third side and half the length of the third side.
• The segment connecting the midpoints of two sides of a triangle is parallel to the third side and one fourth the length of the third side.

What is the length of segment DF?

• 3 units
• 81/4 units
• 36 units
• 48 units

Select ALL the true statements

• A line parallel to one side of a triangle creates a similar triangle.
• A line parallel to one side of a triangle divides the other two sides proportionally.
• The area of triangle equals is half the product of the two angles.
• All right triangles are similar.