Graphing Linear Equations By: Christine Berg Edited By: VTHamilton.
Triangles By Christine Berg Edited By VTHamilton.
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Transcript of Triangles By Christine Berg Edited By VTHamilton.
![Page 1: Triangles By Christine Berg Edited By VTHamilton.](https://reader038.fdocuments.net/reader038/viewer/2022110116/5515939f550346486b8b59b3/html5/thumbnails/1.jpg)
TrianglesTrianglesBy Christine BergBy Christine Berg
Edited By VTHamiltonEdited By VTHamilton
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TrianglesTriangles
Can be classified by the number of congruent sides
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Scalene TriangleScalene Triangle
Has no congruent sides
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Isosceles TriangleIsosceles Triangle
Has at least two congruent sides
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Equilateral TriangleEquilateral Triangle
Has three congruent sides
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TrianglesTriangles
Can be classified by the angle
measures
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Right TriangleRight Triangle
Has one right angle
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Acute TriangleAcute Triangle
Has three acute angles
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Obtuse TriangleObtuse TriangleTriangle with one
obtuse angle
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TrianglesTriangles
Cut any shape triangle out of a sheet of paper
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TrianglesTrianglesTear off the
corners. Piece them together by
having the corners touch.
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TrianglesTriangles
The corners form what type of
angle?
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TrianglesTriangles
The sum of the angles of a
triangle is 180 degrees
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TrianglesTriangles
To find a missing angle, add up the
2 given angles
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TrianglesTriangles
Subtract the sum from 180 and you have the missing
angle
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Congruent Triangles
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Congruent Congruent TrianglesTriangles
Have the same SIZE and the same SHAPE
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Congruent Congruent TrianglesTriangles
May be flipped and/or rotated
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Congruent Congruent TrianglesTriangles
BE CAREFUL WHEN YOU NAME
THE SHAPE
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Congruent Congruent TrianglesTriangles
Name congruent CORRESPONDING
parts (sides and angles)
IN ORDER
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Congruent Congruent TrianglesTriangles
Make sure the letters are in
CORRESPONDING order
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• ABC is congruent to DEF
A
B
C
D
E
F
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One for you
• Name the congruent triangles remembering to name the angles in order
X
Y
D
E
F
Z