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1.3 Day Two Entry TaskCONSTRUCT
1) A REGULAR HEXAGON
2) DRAW AN ANGLE WITH A STRAIGHT EDGE AND THEN BISECT IT.
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Relevant Vocabulary
Midpoint – a point M is called a midpoint of if M is collinear with A and B, and AM = MB
M is the midpoint of
orAB
≅ 𝑖𝑠 h𝑡 𝑒𝑠𝑦𝑚𝑏𝑜𝑙 𝑓𝑜𝑟 𝑐𝑜𝑛𝑔𝑟𝑢𝑒𝑛𝑐𝑒 .
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Degree
Subdivide the length around a circle into 360 arcs of equal length. A central angle for any of these arcs is called a one-degree angle.
of a circle = 1 degree
An angle that turns through n one-degree angles is said to have an angle measure of n degrees.
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Protractor – What we use to measure angles
Some common angles
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Classifying Angles by Degree Measure Zero angle is just a ray and measures 0° Straight angle is a line and measures 180° or
two distinct collinear rays that share a common end point. Acute angle is an angle that measures less than 90° Right angle is an angle that measures 90° Obtuse angle is an angle that measures more than 90°
and less than 180°
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Sketch these in your notebook and write the type of each angle below it.