Points, Lines, and Planes Worksheet

**Page 1**

1.

What are UC and UT in the figure?

a. | Parallel lines | ||

b. | Intersecting lines | ||

c. | Opposite rays | ||

d. | None of the above |

UT and UC have U as the common starting point and are traveling in opposite directions.

The rays UC and UT are called opposite rays.

Correct answer : (3)

2.

How many lines can be drawn passing through a point?

a. | One | ||

b. | Zero | ||

c. | Infinite | ||

d. | Two |

Correct answer : (3)

3.

If a line can be drawn through a set of points, then the points are called ______ points.

a. | congruent | ||

b. | noncollinear | ||

c. | collinear | ||

d. | None of the above |

The points are called collinear points.

Correct answer : (3)

4.

How many rays are there in the figure?

a. | 1 | ||

b. | 5 | ||

c. | 2 | ||

d. | 3 |

A ray is named by the end point and any other point on the ray.

The rays in the figure, with C as the end point are

The ray in the figure, with B as the end point is

So, the total number of rays in the figure is 5.

Correct answer : (2)

5.

Identify the number of planes and the number of line segments in the figure.

a. | 3, 5 | ||

b. | 5, 8 | ||

c. | 4, 6 | ||

d. | 6, 8 |

There are 8 line segments in the figure.

Correct answer : (2)

6.

Where do the two planes intersect?

a. | point B | ||

b. | plane ABP | ||

c. | $\begin{array}{c}\overleftrightarrow{\text{AB}}\end{array}$ | ||

d. | point A |

[Postulate.]

The two planes in the figure intersect in

Correct answer : (3)

7.

Identify which of the following can be best represented as a point.

a. | A rope | ||

b. | A book | ||

c. | A peanut in the play ground | ||

d. | A bed sheet |

A peanut in the play ground represents a point.

Correct answer : (3)

8.

Identify which of these can be best represented by a line.

a. | The corner of a room | ||

b. | A piece of thread | ||

c. | A small hole in a big wall | ||

d. | The peak of a pyramid |

A piece of thread represents a line.

Correct answer : (2)

9.

Identify which of the following can be best represented by a plane.

a. | A droplet of water on the ground | ||

b. | Rules on a notebook paper | ||

c. | A piece of paper | ||

d. | A star in the sky |

So, a piece of paper represents a plane.

Correct answer : (3)

10.

In how many ways can the line be represented?

a. | 5 | ||

b. | 3 | ||

c. | 2 | ||

d. | 6 |

Choose two letters from the figure to name this line.

Therefore, the line can be represented in 6 possible ways.

Correct answer : (4)