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# Pythagorean Theorem: Diagonal of Rectangle/Binomial Expressions

GEOM-KTNXYB

Given a rectangle $ABCD$, $AB$ is $(x-9)$ cm and $BC$ is $4$ cm. $BD$ is $(x-7)$ cm.

Find the perimeter of rectangle $ABCD$.

A

$7$ cm

B

$12$ cm

C

$14$ cm

D

The perimeter cannot be determined.