![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
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A news paper represents a flat surface. A partially opened news paper is like
\planes crossing each other. So, it represents intersecting planes. ![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
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The geometric term modeled by a partially opened news paper represents
\intersecting planes.
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