#### Answer

$\overleftrightarrow{RS}$

#### Work Step by Step

The planes meet at line RS. Therefore, that is the intersection.

Published by
Prentice Hall

ISBN 10:
0133281159

ISBN 13:
978-0-13328-115-6

$\overleftrightarrow{RS}$

The planes meet at line RS. Therefore, that is the intersection.

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