Unit 1 Review Geometry 2010 – 2011

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1. Any two _________ define a line. 2. Any three ________ points define a plane. 3. The intersection of two lines is a ________. 4. The intersection of two planes is a _______. 5. If two points lie on a plane, then the line containing them _______________.

1. Name the intersection of line n and segment AI. 2. Name the intersection of planes Q and MPT. 3. Name three coplanar points in the figure. 4. Name plane Q another way.

 Show how the following are written by providing an example: 1. Point 2. Line 3. Plane 4. Ray 5. Segment 6. Angle

 Line CD is the perpendicular bisector of segment AB. If AM = 14, find AB.

 Points Y, G, and B are located on a straight line. B is between Y and G. If YB is 6 less 4 times the length of BG, and YG = 34, find YB.

 Find the length of the segment from to

 State the definitions of the following:  Acute angle  Obtuse angle  Reflex angle  Right angle  Straight angle

 Describe the relationship between angles a and b.

1. The intersection point of the angle bisectors of the angles of a triangle is the center of the ____________________________ circle of the triangle. 2. The intersection point of the perpendicular bisectors of the sides of a triangle is the center of the ______________________________ circle of the triangle.

 Explain how the following diagram was created.

 What are the special lines that run through the vertex to the midpoint of the opposite side of a triangle called?  [not on the test]

 Draw the segment that represents the distance from the point to the line.

 Draw the perpendicular bisector of the segment below.

1. Draw the angle bisector of the angle below. 2. Place point C in the INTERIOR of the angle.

 Name all congruent segments. A B D C E F

 If m ∠ XAC = 14x – 10 and m ∠ BAX = 46°, find x.

 Use the rule T(x,y) = (-x, y) to transform the figure in the coordinate plane at the right.

 Identify the transformation shown below.

 Describe the transformation that results after applying the rule T(x,y) = (x – 4, -y) to a figure in the coordinate plane.

 Use the rule T(x,y) = (x – 2, y + 1) to transform the figure in the coordinate plane. Label your image.