Constructing Perpendicular Lines in Geometry

Constructing Perpendicular Lines in Geometry

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

This video tutorial covers geometrical constructions using a ruler and compasses. It explains how to draw a line perpendicular to a given line from a point on it and from a point outside it. The video provides step-by-step instructions for each construction, including drawing semicircles and arcs to find intersection points. The tutorial concludes with a verification of the constructed angles and a preview of the next video, which will cover angle bisection and further perpendicular line constructions. Viewers are encouraged to ask questions and subscribe for updates.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What tools are primarily used in geometrical constructions as mentioned in the video?

Protractor and ruler

Ruler and compasses

Set square and ruler

Protractor and compasses

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in drawing a perpendicular line from a point on a given line?

Draw a straight line

Draw a semicircle with the point as center

Draw an arc with any radius

Draw a line parallel to the given line

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which point is used as the center to draw the first semicircle in the construction?

Point A

Point Q

Point B

Point P

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of drawing a semicircle in the construction process?

To find the midpoint

To draw a parallel line

To intersect the line at two points

To measure angles

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of point P in the construction process?

It is the midpoint of the line

It is the intersection point of arcs

It is the center of the semicircle

It is the endpoint of the line

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you verify that the line drawn is perpendicular from a point on a line?

Check if the angles are 45 degrees

Check if the angles are 90 degrees

Check if the angles are 60 degrees

Check if the angles are 30 degrees

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in drawing a perpendicular line from a point outside a given line?

Draw a straight line

Draw an arc intersecting the line at two points

Draw a parallel line

Draw a semicircle with the point as center

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