# LESSON PLANNING OF TRIANGLES

LESSON PLANNING OF CONSTRUCTING OF TRIANGLES

Subject Mathematics

Students` Learning Outcomes

• Use protractor and straightedge ruler to construct a triangle when two angles and included side are given.
• Use protractor and straightedge ruler to construct acute-angled triangle, obtuse-angled triangle and right-angled triangles when one angle and adjacent sides are given.

Information for Teachers

• For example
• It helps if you draw a rough sketch of the triangle.
• Use a protractor to draw a line at 500 to one end of the line.
• Now do the same with 300 at the other end of the line.

Writing board, chalk / marker, duster, geometry box, textbook

Introduction

• Give them some time to recall drawing acute, obtuse and right angle. • With the whole group share the steps with rough sketches as they did the same for complementary and supplementary angles. . • Make sure that students have understood it.

### 1 thought on “LESSON PLANNING OF TRIANGLES”

1. Can you be more specific about the content of your article? After reading it, I still have some doubts. Hope you can help me.