Exam 5: Similar Triangles
Exam 1: Line and Angle Relationships13 Questions
Exam 2: Parallel Lines13 Questions
Exam 3: Triangles16 Questions
Exam 4: Quadrilaterals14 Questions
Exam 5: Similar Triangles12 Questions
Exam 6: Circles10 Questions
Exam 7: Locus and Concurrence4 Questions
Exam 8: Areas of Polygons and Circles5 Questions
Exam 9: Surfaces and Solids4 Questions
Exam 10: Analytical Geometry8 Questions
Exam 11: Introduction to Trigonometry4 Questions
Exam 12: Geometry Problems: Complementary Angles, Collinear Points, and Similar Triangles916 Questions
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-Supply missing statements and missing reasons for the following proof.
Given:
; V is the midpoint of
and W is the midpoint of
.
Prove:
S1. R1.
S2.
and
R2. Definition of midpoint
S3.
and
R3.
S4. R4. Substitution Property of Equality
S5.
R5.
S6. R6.










Free
(Essay)
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Correct Answer:
S1. ; V is the midpoint of
and W is the midpoint of
.
R1. Given
R3. Division Property of Equality
S4. R5. Identity
S6. R6. SAS
Where
and
are natural numbers and
, let
,
, and
.
Verify that
is a Pythagorean Triple.







Free
(Essay)
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Correct Answer:
We need to show that . Where
,
, and
, it follws that
or
, so that
,
or
, so that
, and
or
, so that
.
Now or
, which is the
value of . That is,
for all choices of
and
.
-Supply missing statements and missing reasons for for the following proof.
Given:
;
and
are right angles
Prove:
S1. R1.
S2.
R2.
S3. R3.Opposite angles of a parallelogram.
S4.
R4.
S5.
R5.
S6. R6. In a proportion, the product of the means equals the
product of the extremes.








Free
(Essay)
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(36)
Correct Answer:
S1. ;
and
are right angles
R1. Given
R2. All right angles are congruent
S3. R4. AA
R5. CSSTP
S6.
-Supply the missing reasons for the following proof.
Given:
and
Prove:
S1.
and
R1.
S2.
R2.
S3.
R3.
S4.
R4.
S5.
R5.
S6.
R6. A property of proportions
S7.
R7. Substitution Property of Equality














(Essay)
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Explain (prove) the following property of proportions.
"If
(where
and
), then
."




(Essay)
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-Supply missing statements and missing reasons in the following proof.
Given:
in the figure shown
Prove:
S1. R1.
S2.
R2.
S3. R3. Vertical angles are congruent.
S4. R4.




(Essay)
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-Provide all statements and all reasons for this proof.
Given:
with
Prove: 




(Essay)
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(35)
-Use the drawing provided to explain the 45
-45
-90
Theorem.
"In a triangle whose angles measure 45
, 45
, and 90
, the hypotenuse has a length equal to the product of
and the length of either leg."
Given:
with
,
, and
Prove:
and 








(Essay)
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-Use the drawing(s) to explain the 30
-60
-90
Theorem.
"In a triangle whose angles measure 30
, 60
, and 90
, the hypotenuse has a length equal to twice the length of the shorter leg, and the length of the longer leg is the product of
and
the length of the shorter leg."
Given: Right
with
,
,
and
; also,
Prove:
and 









(Essay)
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-Provide the missing statements and missing reasons for the following proof.
Given:
and
;
and
Prove:
S1. R1. Given
S2.
R2.
S3.
R3.
S4. R4. CASTC








(Essay)
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-Supply missing statements and missing reasons for the following proof.
Given:
;
bisects
and
Prove:
is an isosceles triangle
S1.
;
bisects
R1.
S2.
R2. If a ray bisects one
of a
, it divides the opposite
side into segments whose lengths are proportional to
the lengths of the two sides that form the bisected
.
S3. R3. Given
S4.
R4.
S5.
, so
R5.
S6.
R6.
S7. R7.


















(Essay)
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-Supply missing statements and missing reasons for the proof of this theorem.
"The altitude drawn to the hypotenuse of a right triangle separates the right triangle into two
right triangles that are similar to each other."
Given: Right triangle ABC with rt.
;
Prove:
S1. R1.
S2.
R2.
S3.
and
are comp. R3. The acute angles of a rt.
are comp.
S4.
and
are comp. R4.
S5. R5. If 2
s are comp. to the same
, these
are
.
S6. R6.














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