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1.INTRODUCTION
In this class you'll also explore how to measure angles using a protractor and how they relate to angle measurements.Overall, this chapter is an excellent introduction to the fundamental concepts of geometry, and it will help you to better understand the properties of angles and lines.
2.OBJECTIVES
* To learn about the instruments in the geometrical box.
*To understand the angle measures of two setsquares.
*To understand the method of using setsquares in drawing angles.
*To find out the measures of angles in a picture using addition and subtraction.
3.SUBJECT MAPPING
4.ASSIGNMENT
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5.REFERENCES
https://www.youtube.com/live/JfM3hQp-lZc?feature=share
https://www.youtube.com/live/yQ_KGSMuxAg?feature=share
Kerala Syllabus 6th Standard Maths Solutions Chapter 8 Joining Angles 2
How much is ∠CAB?
What if we draw another angle on top of this, using a corner of the other set square?
Answer:
∠CAB = 30
Explanation:
By observing the figure triangle ABC, we came to conclude that,
as ∠CAB is 30 degrees, ∠ABC is 90 degrees and angle ∠BCA is 60 degrees
These set squares come in two usual forms,
both right triangles one with 90-45-45 degree angles,
the other with 30-60-90 degree angles.
Combining the two forms by placing the hypotenuses together will get 15° and 75° angles.
6.DOWNLOADS
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