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This exploration focuses on the properties of various types of angles and line segments in geometry. We will define and differentiate between acute angles (smaller than a right angle) and obtuse angles (larger than a right angle). Additionally, we will examine the relationships between intersecting and parallel line segments, particularly how they create distinct geometric angles at intersections. We will also introduce key geometric points and vertices, such as points B, C, F, G, and H, highlighting their significance in angle measurement and positioning.
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line horizontal line line segment horizontal line segment intersecting vertical intersecting parallel parallel vertical
horizontal line line segment parallel vertical intersecting
horizontal line line segment intersecting parallel vertical
horizontal line segment line intersecting parallel vertical
horizontal line segment line intersecting parallel vertical
line segment line horizontal intersecting parallel vertical
B C ray BC
H FH G angle F FG
I H IHG GHI H G vertex
F GFH HFG H G F
R T S
acute angle smaller than a right angle
obtuse angle larger than a right angle