Angles

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Definition of 'altitude' and the various different ways the word is used in geometry

Gives examples of problems with intercepted arc, central angle, and angles inside and outside the circle.

Identify the missing angle measurement in each set of supplementary angles. Answers included.

Identify the missing angle measurement in each set of complementary angles. Answers included.

Explanation of acute angles

Similar triangles - two sides in same proportion, included angle the same. SAS

In this Early Edge video lesson, you'll learn more about Triangles, so you can be successful when you take on high-school Math & Geometry.

Definition of a subtended angle - the angle created by an object at a given external point

Similar triangles - all three sides in same proportion. SSS

Definition of a segment of a circle.

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