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Moderate

Perimeter of $ABCD$

ACTMAT-NNBYG1

Quadrilateral ABCD lies in the x-y coordinate plane below.

What is the approximate perimeter of ABCD?

A

$\text{17.6 units}$

B

$\text{18.1 units}$

C

$\text{20.0 units}$

D

$\text{21.6 units}$

E

$\text{29.6 units}$