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Subject: geometry

ABCD ~ WXYZ. AD = 4, WZ = 6. If perimeter of ABCD is 120 in., find the perimeter of WXYZ.

Respuesta :

Answer:

[tex]Perimeter = 180in[/tex]

Step-by-step explanation:

Given

[tex]AD = 4[/tex]

[tex]WZ = 6[/tex]

Perimeter of ABCD = 120

Required

Determine the perimeter of WXYZ

Since ABCD is similar to WXYZ;

First we calculate the scale of dilation from ABCD to WXYZ

[tex]Scale = \frac{WZ}{AD}[/tex]

[tex]Scale = \frac{6}{4}[/tex]

[tex]Scale = 1.5[/tex]

The perimeter of WXYZ is then calculated as follows;

Perimeter =  Scale * Perimeter of ABCD

[tex]Perimeter = 1.5 * 120in[/tex]

[tex]Perimeter = 180in[/tex]

Hence, the perimeter of WXYZ is 180 inches