Geometry End of Year Review

What is the length of the line with endpoints (5, 3) and (9, 1)?

• 5.4
• 10
• 4.5
• 20

The shadow of a building is 8 meters long on level ground.  The building and the ground are perpendicular to each other.  The angle of elevation from the tip of the shadow to the top of the building is 42 degrees.  Based on this information, calculate the height of the building.

• 8.9 m
• 18.3 m
• 3.5 m
• 7.2 m

Which ratio would you use to find the length of the side labeled c?

• sin 39 = 6/c
• sin 39 = c/6
• cos 39 = 6/c
• cos 39 = c/6

Write the equation of the circle on the graph.

• (x + 2)^2 + (y - 5)^2 = 9
• (x - 2)^2 + (y + 5)^2 = 9
• (x - 2)^2 - (y + 5)^2 = 9
• (x + 2)^2 - (y - 5)^2 = 9

What is the measure of arc AC in the figure if angle AOC is 56 degrees?

• 112 degrees
• 56 degrees
• 28 degrees
• none of these

What is the measure of angle ABC if angle AOC is 48 degrees?

• 24 degrees
• 48 degrees
• 96 degrees
• none of these

A line segment has an endpoint at (4, -2) and a midpoint at (8, 4). 
What is the other endpoint?

• (12,10)
• (20, 6)
• None of these

In triangle ABC, AB = 25, BC = 17, and AC = 40. List the angles in order from smallest to largest. 

• A, C, B
• A, B, C
• C, B, A
• B, C, A

Solve for x. 

• 6
• -6
• 5
• 30

Are the polygons similar? 

• Yes
• No