09 21-11 wk 4-3 triangle basics
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9/21/11 Wednesday EQ: How do I identify and describe polygons? I can classify triangles based on sides and angles. 08/29/2022 1 Bitsy Griffin 4-3 Objective 3
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Transcript of 09 21-11 wk 4-3 triangle basics
04/10/2023 Bitsy Griffin 4-3 Objective 3 1
9/21/11Wednesday
EQ: How do I identify and describe polygons?I can classify triangles based on sides and angles.
04/10/2023 Bitsy Griffin 4-3 Objective 3 2
Quick Review:•Polygon prefixes
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Angles:•Two rays or line segments come together and form an•Angle!
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Angles:•Right•Exactly 90o
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Angles:•Obtuse•Greater than 90o
04/10/2023 Bitsy Griffin 4-3 Objective 3 6
Angles:•Acute•Less than 90o
04/10/2023 Bitsy Griffin 4-3 Objective 3 7
Angles:•Straight•Exactly 180o
04/10/2023 Bitsy Griffin 4-3 Objective 3 8
Scalene• No sides the same• No angles the same.
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Scalene
04/10/2023 Bitsy Griffin 4-3 Objective 3 10
Isosceles:• 2 sides the same• 2 angles the same.
04/10/2023 Bitsy Griffin 4-3 Objective 3 11
Isosceles:
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Equilateral:• 3 sides the same• 3 angles the same.
04/10/2023 Bitsy Griffin 4-3 Objective 3 13
Triangle angles• A triangle’s angles always add
up to 180o
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Equilateral:
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EQ: How do I identify and describe polygons?I can classify triangles based on sides and angles.
04/10/2023 Bitsy Griffin 4-3 Objective 3 16
Assessment•Identify angle types•Identify triangle types
