Back to Course

JSS2: BASIC TECHNOLOGY - 2ND TERM

0% Complete
0/0 Steps
  1. Geometric Construction | Week 1
    5 Topics
    |
    1 Quiz
  2. Construction of Angles & Circles | Week 2
    6 Topics
    |
    1 Quiz
  3. Construction of Triangles | Week 3
    5 Topics
    |
    1 Quiz
  4. Quadrilaterals | Week 4
    2 Topics
    |
    1 Quiz
  5. Construction of Quadrilaterals | Week 5
    3 Topics
    |
    1 Quiz
  6. Polygons | Week 6
    3 Topics
    |
    1 Quiz
  7. Plane Figures | Week 7
    3 Topics
    |
    1 Quiz
  8. Enlargement And Reduction of Plane Figures | Week 8
    2 Topics
  9. WoodWork Machines | Week 9
    2 Topics
    |
    1 Quiz
  10. Care & Maintenance of WoodWork Machines | Week 10
    1 Topic
    |
    1 Quiz



Lesson Progress
0% Complete

Topic Content:

  • Construction of a Right Angle
  • Construction of Angle 45°
  • Construction of Angle 60°
  • Construction of Angle 30°
  • Construction of Angle 15°
  • Construction of Angle 120°

Construction of a Right Angle:

construct an angle - 90 degrees
Construction of right angle.

Steps:

i. Draw line AB.

ii. Draw a line that extends Outwards from A

iii. Choosing a convenient radius, draw a semi-circle CD with centre A.

iv. With centres C and D and any radius of your choice, draw arcs to intersect at E

v. Draw a line from A to E. This line will be perpendicular to AB and form a 90° angle.

Construction of Angle 45°:

construct an angle - 45 degrees
Construction of 45° angle.

Steps:

 

You are viewing an excerpt of this Topic. Subscribe Now to get Full Access to ALL this Subject's Topics and Quizzes for this Term!

Click on the button "Subscribe Now" below for Full Access!

Subscribe Now

Note: If you have Already Subscribed and you are seeing this message, it means you are logged out. Please Log In using the Login Button Below to Carry on Studying!

Responses

Your email address will not be published. Required fields are marked *

error: Alert: Content selection is disabled!!