Question
In the figures below, ABCD~WXYZ has a scale factor of 3:1. If the perimeter of ABCD is 66 units, find the perimeter of WXYZ.
Answers
PsyDAG
No figures. Cannot copy and paste here.
Anonymous
three times 66 = 198
If the scale is 3/1 then all corresponding dimensions are 3 times as large in the big one.
Areas are 3*3 = 9 times
Volumes are 3*3*3 = 27 times
If the scale is 3/1 then all corresponding dimensions are 3 times as large in the big one.
Areas are 3*3 = 9 times
Volumes are 3*3*3 = 27 times