Download Geometry Short Quiz

Geometry
7.2 & 7.3 Practice Quiz
Name_________________________________________
1. Given  ABC ~  DEF :
a.
Highlight with 3 different colors
the corresponding sides.
b. List
c.
2. Find
the reduced scale factor
of  JKL to  EFG .
1.
Pairs of congruent angles:
 A  ______
 B  ______
the pairs of congruent
angles.
 C  ______
Write the pairs of
corresponding sides in a
statement of proportionality.
Statement of Proportionality:


2. Scale Factor: (reduced)
3.
Similar figures are the same shape, but usually a different ____________.
4.
In Similar figures, the corresponding angles are _____________ and the corresponding
sides are __________________________.
Complete the similarity statement, find the reduced scale factor,
then write proportions and solve for x and y.
5.
5. Similarity Statement :
 ABC ~  _______
Scale Factor: ________
y
Proportion to find x:
Proportion to find y:
Given two similar trapezoids. Find the reduced scale factor and
the reduced ratio of the perimeters.
6.
x = ________
y = ________
6.
Scale Factor:
Ratio of Perimeters:
Are these triangles similar by the AA~ Postulate? Answer yes or no. If
the triangles are similar, write a similarity statement.
7.
8.
9.
7.
Similar by AA~? _______
 ADE ~  _______
8.
Similar by AA~? _________
 EDF ~  _______
9.
Similar by AA~? _________
WXV ~  _______
Are these triangles similar by the AA~ Postulate? Answer yes or no. 10.
If the triangles are similar, find the SCALE FACTOR.
10.
Similar by AA~? _________
Scale Factor: _________
Find the angle measurements and set up proportions to find all missing side lengths.
Notice the triangles are similar by AA~.
11.
12.
11.
m1  _____
mA  _____
mD  _____
x = ____
"Flipped" or "Twisted" Bow Tie?
m1  _____ mA  _____ mD  _____
Proportion to find x:
Proportion to find y:
y = _____
"Flipped" or "Twisted" Bow Tie?
mA  _____ mTBM  _____
mT  _____
12.
Proportion to find x:
mA  _____
Proportion to find y:
mTBM  ___
mT  _____
x = ____
y = _____