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Chris Giovanello, LBUSD Math Curriculum Office, 2004
Beat the Computer!
Geometry Vocabulary for Unit 4
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
Directions:•A slide will appear with a term
•Say the definition aloud before the computer can answer (5 sec.)
•You will hear a sound when the slide changes
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
congruent polygons
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
congruent polygons:
are polygons with congruent corresponding
parts - their matching sides and angles
pg. 180
A X
B Y
ZCD WPolygon ABCD Polygon XYZW
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
SSSSide-Side-Side Postulate
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
SSS
If three sides of one triangle are congruent to three sides of another triangle, then the two triangles are congruent.
pg. 187
G P
QH
RF
GHF PQR
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
SASSide-Angle-Side Postulate
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
SAS
If two sides and included angle of one triangle are congruent
to two sides and included angle of another triangle, then
the two triangles are
congruent.
pg. 188
C F
DB
EA
BCA FDE
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
ASAAngle-Side-Angle
Postulate
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
ASA
If two angles and included side of one triangle are congruent
to two sides and included angle of another triangle, then
the two triangles are
congruent.
pg. 195
G K
PB
NH
HGB NKP
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
AASAngle-Angle-Side
Postulate
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
AAS
If two angles and nonincluded side of one triangle are
congruent to two angles and nonincluded side of another
triangle, then the two triangles are congruent.
pg. 195
D G
TC
XM
CDM TGX
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
CPCTC
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
CPCTC:
corresponding parts of congruent triangles
are congruent
pg. 203
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
legs of an isosceles triangle
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
legs of an isosceles triangle:
the congruent sides of an isosceles triangle
pg. 211
Legs
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
base of an isosceles triangle
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
base of an isosceles triangle:
the side of an isosceles triangle that is not
congruent to either of the other sides
pg211
Base
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
vertex angle of an isosceles
triangle
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
vertex angle of an isosceles triangle:
the angle formed by the two congruent sides of an
isosceles triangle
pg. 211
Vertex Angle
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
base angles of an isosceles
triangle
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
base angles of an isosceles triangle:
the angles opposite the congruent sides of an
isosceles triangle
pg. 211
Base Angles
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
corollary
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
corollary:
a statement that follows immediately
from a theorem
pg. 212
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
hypotenuse of a right triangle
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
hypotenuse of a right triangle:
the side opposite the right angle
pg. 217
Hypotenuse
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
legs of a right triangle
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Chris Giovanello, LBUSD Math Curriculum Office, 2004
legs of a right triangle:
the sides that are not opposite the right angle
pg. 217
Legs