WorksheetsCPM Geometry Ch 3 Math Notes 3.1.1-3.1.4 Practice
Total questions: 10
Worksheet time: 6mins
A(n) (a) is a transformation that maintains the shape of a figure but multiplies its dimensions by a chosen factor.
When a figure is dilated, what is the point from which a figure is stretched proportionally called?
point of dilation
origin
line of reflection
center of rotation
corresponding angle
If a figure is dilated and the resulting image fully encloses the original figure, the point of dilation must be located __________________.
inside the original figure
outside the original figure
at the origin
on a vertex of the original figure
on a side of the original figure
True or False: On similar figures, each pair of corresponding sides have a common ratio for their lengths.
True
False
A ______________________ is an equation that compares two or more ratios.
proportion
linear equation
scale factor
quadratic equation
rational expression
Which of the following equations could correctly apply to the similar triangles below? (check all that apply)
da=cb
ca=db
ba=dc
cd=ba
ac=bd
Which of the following statements is true based upon the similarity statement, ΔABC ~ ΔDEF? (check all that apply)
∠ABC ≅ ∠DFE
∠BAC ≅ ∠DEF
∠BAC ≅ ∠EDF
∠BAC ≅ ∠EFD
∠ACB ≅ ∠DFE
Which of the following is a correct similarity statement for the similar triangles above?
ΔKLM ~ ΔPQR
ΔMLK ~ ΔPRQ
ΔMLK ~ ΔRQP
ΔKLM ~ ΔRQP
ΔLKM ~ ΔRQP
If ΔABC ~ ΔDEF, which side on ΔDEF corresponds with the side length from A to C on ΔABC?
FD
FE
DE
EF
Which of the following is a correct similarity statement for the similar triangles above? (check all that apply)
ΔABC ~ ΔYZX
ΔBCA ~ ΔZXY
ΔACB ~ ΔYXZ
ΔCBA~ ΔXYZ
ΔBCA ~ ΔXZY
