STEM

# Basic Principles of Geometry

96 CQ
24 Lessons
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• Playing
3 CQ
11. Measurement of Segments | Part 4
A lesson with Math Fortress

In this last lesson on measurement of segments, review two challenging geometry problems involving congruent segments and algebra.

In this last lesson on measurement of segments, review two challenging geometry problems involving congruent segments and algebra.

• Playing
5 CQ
12. Measurement of Angles | Part 1
A lesson with Math Fortress

In this lesson, review how to name and denote angles by their vertex or sides, and find out how to measure angles with a protractor and denote them properly.

In this lesson, review how to name and denote angles by their vertex or sides, and find out how to measure angles with a protractor and denote them properly.

• Playing
3 CQ
13. Measurement of Angles | Part 2
A lesson with Math Fortress

Now that you’ve reviewed angle terminology and practiced measuring them, find out how to classify angles according to size in this lesson from Math Fortress.

Now that you’ve reviewed angle terminology and practiced measuring them, find out how to classify angles according to size in this lesson from Math Fortress.

• Playing
4 CQ
14. Measurement of Angles | Part 3
A lesson with Math Fortress

Review the parts of a degree, learn how to denote measurements clearly, and understand the definition of congruent angles and how to denote congruence.

Review the parts of a degree, learn how to denote measurements clearly, and understand the definition of congruent angles and how to denote congruence.

• Playing
4 CQ
15. Measurement of Angles | Part 4
A lesson with Math Fortress

In this lesson, review examples and exercises on measuring angles. This is a chance to follow keep the geometric concepts you’ve just learned active.

In this lesson, review examples and exercises on measuring angles. This is a chance to follow keep the geometric concepts you’ve just learned active.

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