AnswersCR CCSS Math 2 S2 M2960OXUsing Triangle Similarity Theorems

Right Triangle Similarity Answers

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Consider the proof.Given: Segment AB is parallel to line DE. Prove:

Question illustration
A
AC = BC
B
StartFraction A C Over D C EndFraction = StartFraction B C Over E C EndFraction
Option B
C
AD = BE
D
StartFraction A D Over D C EndFraction = StartFraction B E Over E C EndFraction
Option D
2
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Triangle E G F is cut by line H J. Line H J goes from side E G through side G F. Lines E F and H J are parallel.

Question illustration
A
GF
B
JH
C
GJ
D
EF
3

Triangle R Q S is cut by line segment T U. Line segment T U goes from side Q R to side Q S. The length of Q T is 32, the length of T R is 36, the length of Q U is 40, and the length of U S is 45.

Question illustration
A
Line segment TU is parallel to line segment RS because .
Option A
B
Line segment TU is not parallel to line segment RS because .
Option B
C
Line segment TU is parallel to line segment RS because .
Option C
D
Line segment TU is not parallel to line segment RS because .
Option D
4

Triangle X Y Z is cut by line segment C D. Line segment C D goes from side X Y to side Y Z. The length of C D is 15, the length of X Z is 18, the length of C Y is 25, and the length of Y D is 20. Lines C D and X Z are parallel.

Question illustration
A
2 units
B
3 units
C
4 units
D
5 units
5

Triangle D E F is cut by line segment A B. Line segment A B goes from side D E to side F E. Lines D F and A B are parallel. The length of A B is 4.2 feet, the length of D A is 2 feet, the length of F B is 2.4 feet, and the length of B E is 7.8 feet.

Question illustration
A
16.4 ft
B
18.5 ft
C
18.7 ft
D
22.9 ft
6

Triangle A B C is cut by line segment D E. Line segment D E goes from side A B to B C. Lines A C and D E are parallel. The length of A D is 3, the length of D B is 5, the length of B E is 4, and the length of E C is question mark. StartFraction B D Over D A EndFraction = StartFraction B E Over E C EndFraction. StartFraction 5 Over 3 EndFraction = StartFraction 4 Over E C EndFraction

Question illustration
A
2 units
B
2.4 units
C
3 units
D
3.75 units
7

Points A and B are midpoints of the sides of triangle QRS.

Question illustration
A
2 m
B
3 m
C
4 m
D
6 m
8

Points O and N are midpoints of the sides of triangle DEF.

Question illustration
A
22 cm
B
30 cm
C
38 cm
D
76 cm
9

Point A is the midpoint of side XZ and point B is the midpoint of side YZ.

Question illustration
A
2 units
B
4 units
C
6 units
D
8 units
10

Points S and T are midpoints of the sides of triangle FGH.

Question illustration
A
4 cm
B
6 cm
C
8 cm
D
16 cm

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