Download presentation

Presentation is loading. Please wait.

Published byVictoria Riley Modified over 3 years ago

1
**Triangles By Christine Berg Edited By VTHamilton**

2
**Can be classified by the number of congruent sides**

Triangles Can be classified by the number of congruent sides

3
Scalene Triangle Has no congruent sides

4
**Has at least two congruent sides**

Isosceles Triangle Has at least two congruent sides

5
**Has three congruent sides**

Equilateral Triangle Has three congruent sides

6
**Can be classified by the angle measures**

Triangles Can be classified by the angle measures

7
Right Triangle Has one right angle

8
Acute Triangle Has three acute angles

9
**Triangle with one obtuse angle**

Obtuse Triangle Triangle with one obtuse angle

10
**Cut any shape triangle out of a sheet of paper**

Triangles Cut any shape triangle out of a sheet of paper

11
**Tear off the corners. Piece them together by having the corners touch.**

Triangles Tear off the corners. Piece them together by having the corners touch.

12
**The corners form what type of angle?**

Triangles The corners form what type of angle?

13
**The sum of the angles of a triangle is 180 degrees**

Triangles The sum of the angles of a triangle is 180 degrees

14
**To find a missing angle, add up the 2 given angles**

Triangles To find a missing angle, add up the 2 given angles

15
**Subtract the sum from 180 and you have the missing angle**

Triangles Subtract the sum from 180 and you have the missing angle

16
Congruent Triangles

17
**Have the same SIZE and the same SHAPE**

Congruent Triangles Have the same SIZE and the same SHAPE

18
**May be flipped and/or rotated**

Congruent Triangles May be flipped and/or rotated

19
Congruent Triangles BE CAREFUL WHEN YOU NAME THE SHAPE

20
**Name congruent CORRESPONDING parts**

Congruent Triangles Name congruent CORRESPONDING parts (sides and angles) IN ORDER

21
**Make sure the letters are in CORRESPONDING order**

Congruent Triangles Make sure the letters are in CORRESPONDING order

22
ABC is congruent to DEF B F E D A C

23
One for you Name the congruent triangles remembering to name the angles in order F E Z D Y X

Similar presentations

OK

Lesson 8.3 Concept: How to classify triangles by their sides and angles. An equilateral triangle has three sides of the same length. An isosceles triangle.

Lesson 8.3 Concept: How to classify triangles by their sides and angles. An equilateral triangle has three sides of the same length. An isosceles triangle.

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google