Asked by jack wang

△JKL∼△QRS , JK is 8 centimeters, ​ QR ​is 12 centimeters, and RS is 9 centimeters.

What is ​ KL ​?

Answered by Steve
KL/RS = JK/QR = 8/12

Now solve for KL
Answered by jack wang
im sorry im confused

do i do 8/12=12/9

or something..
Answered by Steve
corresponding sides have the same ratio.
JK/QR = 8/12 or 2/3
so, since KL corresponds to RS,
KL/RS = 2/3
RS=9, so
KL/9 = 2/3
KL = 18/3 = 6
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