Similar figures
Ratios and Proportions
Scale Factor
Side Splitter
Vocabulary
100
Are these two triangles similar? If yes, write the similarity statement.
△QPR ~ △ ________
△QPR ~ △XYZ
100
What is the name of the way we learned on how to solve proportions? / Cual es el nombre del método que aprendimos para resolver proporciones?
Cross Multiplication
or
Multiplicación Cruzada
100
The formula to find the scale factor is:
Scale Factor = ________ / ________
Scale Factor = Image / Preimage
Or
K = I/P
Or
KIP
100
A ___________ line to one side of the triangle divides the other two sides proportionally, which is known as the Side-Splitter Theorem.
A parallel line to one side of the triangle divides the other two sides proportionally, which is known as the Side-Splitter Theorem.
100
A ____________ is figure with three sides and three angles
A triangles
200
The two polygons below are similar, complete the similarity statement:
STUV ~ _______
STUV ~ CBAD
200
State if these ratios form a proportion.
No
200
What is the scale factor from the small fry to the large fry?
k = 3
200
Find the missing side:
x = 9
200
Figures that have the same shape but different sizes are ___________________
Similar
300
The following triangles are similar, write the similarity statement:
△FGH ~△_______
△FGH ~△IKJ
300
State if these ratios form a proportion.
Yes
300
What is the Scale Factor from triangle ABC to triangle DEF?
k = 3/6= 1/2 or 0.5 or k= 5/10= 1/2 or 0/5
300
Find the value of x:
x = 12
300
If two triangles are similar then their angles are ______________
Congruent
400
JDRT~KLMN , LM~_____
LM~DR
400
Solve the following proportion:
9/16 = x/12
x = 6.75 or x=6.8
400
Find the scale factor:
k = 2
400
Solve for w:
w=36
400
Figures that have the same shape and same sizes are _____________
Congruent
500
JDRT~JHYX, Angle D ≅ Angle _____
Angle D ≅ Angle H
500
Solve the following proportion:
k = 5
500
Find the scale factor:
k = 1/2 or 0.5
500
Find the missing side using Side-Splitter Theorem:
x/36 = 12/16 or 36/16=x/12
x=27
500
Scale factor is represented by the letter ____
Letter k