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AGENDA
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F R I DAY T R I V I A
WA R M U P
LESSON 35 + BRAIN BREAK
EXIT CARD
WARM UP
1. Solve for y.
10
𝑦
=
2
7
2. Write 5 billion in scientific notation.
LESSON 35: SIMILAR AND CONGRUENT
POLYGONS
Corresponding Angles:
Corresponding Sides:
We use tick marks (sides) and arcs (angles) to show
corresponding sides and angles that have the same
measure.
SIMILAR POLYGONS
Def: same shape, not same size (~)
*corresponding sides are proportional
*corresponding angles are the same measure
Scale Factor?
CONGRUENT POLYGONS
Def: same shape and same size (
)
*Corresponding angles are the same measure
*Corresponding sides are the same measure
WHICH TRIANGLES ARE SIMILAR? CONGRUENT?
Z
A
C
L
B
M
N
X
Y
SIDE-SIDE-SIDE TRIANGLE SIMILARITY
*If two triangles have proportional corresponding side
lengths, then the triangles are similar
ANGLE-ANGLE-ANGLE SIMILARITY
*Corresponding angles must be equal.
H
Q
R
F
G
S
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