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Mysterious orbs and triangles: Pentagon's new report on UFO cases leave experts baffledThe annual UFO sightings report, released jointly by the Pentagon and director of national ... Kosloski described them as "Orbs, cylinders, triangles, in one of the cases, it has been happening ...
The interior angles in each triangle sum to 180° so two triangles together sum to 360°. Image caption, A pentagon can be divided into three triangles. Interior angles in a triangle sum to 180°.
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