09 21-11 wk 4-3 triangle basics

Post on 17-Dec-2014

348 views 2 download

description

 

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

04/10/2023 Bitsy Griffin 4-3 Objective 3 3

Angles:•Two rays or line segments come together and form an•Angle!

04/10/2023 Bitsy Griffin 4-3 Objective 3 4

Angles:•Right•Exactly 90o

04/10/2023 Bitsy Griffin 4-3 Objective 3 5

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.

04/10/2023 Bitsy Griffin 4-3 Objective 3 9

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:

04/10/2023 Bitsy Griffin 4-3 Objective 3 12

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

04/10/2023 Bitsy Griffin 4-3 Objective 3 14

Equilateral:

04/10/2023 Bitsy Griffin 4-3 Objective 3 15

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