A dilation maps quadrilateral KLMN onto quadrilateral PQRS. Is the dilation a reduction or an enlargement?
Enlargement
Triangle ABC is similar to triangle DEF. Which angle in triangle DEF is similar to angle C?
Angle F
Polygon ABCDEF is similar to polygon LMNOPQ. What is the measure of angle B?
105 degrees
Are the two triangles similar?
Yes
A dilation maps quadrilateral ABCD onto quadrilateral WXYZ. What is the similarity ratio of the dilation?
10
Triangle LMN is similar to triangle PQR. Write each proportion such that the triangles are similar.
LM/PQ = MN/QR = NL/RP
Solve for x
x = 12
Finish the similarity statement:
Triangle ABC ~ ...
ABC ~ DEF
These rectangles are the result of an enlargement. What was the similarity ratio of the dilation?
3/2
Triangle ABC is similar to triangle DEF. Write each proportion such that the triangles are similar.
AB/DE = BC/EF = CA/FD
Solve for the value of x
x = 20
Finish the similarity statement:
Triangle RST ~ ...
RST ~ DEF
A dilation maps triangle YXZ onto triangle ABC. What is the similarity ratio of the dilation?
3/4
Triangle RST is similar to triangle UVW. Write each proportion such that the triangles are similar.
RS/UV = ST/VW = TR/WU
Solve for the missing side
12
Finish the similarity statement:
Triangle ABC ~ ...
ABC ~ ADE
A dilation maps quadrilateral EFGH onto quadrilateral ABCD. What is the similarity ratio for the dilation?
3/2
Rectangle ABCD is similar to rectangle EFGH. Write each proportion such that the rectangles are similar.
AB/EF = BC/FG = CD/GH = DA/HE
Solve for y
y = 9
Finish the similarity statement for the three triangles:
Triangle ABC ~ ...
ABC ~ DEF ~ GHK