Lesson 1: Undefined terms and angles

1) All of these are representation of a line EXCEPT:

• a) edge of a ruler

• b) string

• c) corner of a room

• d) wire

2) These are points that lie on the same line.

• a) collinear points

• b) non-collinear points

• c) coplanar points

• d) non-coplanar points

3) Which is a set of collinear points?

• a) V, Y, & Z

• b) W, Y, & V

• c) X, Y, & U

• d) X, Y, & Z

4) What is the point of intersection of line XZ and line WU?

• a) Y

• b) W

• c) U

• d) Z

5) What point is in the interior of ∠VYZ?

• a.) X

• b) U

• c) W

• d) Y

6) Which of the following is a right angle?

• a) ∠VYU

• b) ∠XYZ

• c) ∠UYZ

• d) ∠XYW

7) Which of the following is an obtuse angle?

• a) ∠WYZ

• b) ∠UYZ

• c) ∠XYV

• d) ∠XYW

8) Which of the following shows opposite rays?

• a) YV and YZ

• b) UW and WU

• c) YZ and YX

• d) YZ and YU

9) The hands of a clock at 8:00 formed what kind of angle?

• a) Right Angle

• b) Obtuse Angle

• c) Acute Angle

• d) cannot be determined

10) Which of the following statements is NOT true?

• a) There are infinite number of points in a plane.

• b) Given two points, only one line can contain both points

• c) The endpoints of line XY are X and Y.

• d) A line extends in opposite direction without end.