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<navigation>
	<conceptcheck starttime="00:02:44:000" stoptime="00:02:49:000" inputY="360" questionY="300" >
		<question>An oval has __ sides and __ vertices.</question>
		<correct>0, 0</correct>
	</conceptcheck>
	<conceptcheck starttime="00:04:16:000" stoptime="00:04:21:500" inputY="360" questionY="300" >
		<question>A rectangle has __ sides and __ vertices.</question>
		<correct>4, 4</correct>
	</conceptcheck>
	<conceptcheck starttime="00:09:56:000" stoptime="00:10:03:500" inputY="360" questionY="300" >
		<question>A sphere has __ faces, __ edges, and __ vertices.</question>
		<correct>0, 0, 0</correct>
	</conceptcheck>
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