Any angles can be coterminal. 10 and 370 - IF MEASURED IN DEGREES - are effectively identical.
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10 sides and 10 angles
2x-10+3x-10=90 5x-20=90 5x=110 x=22
10
Sum of exterior angles = 360 degrees Sum of interior angles = 1440 degrees
A pentagonal prism has 5 faces, with each face having 5 vertices. Each vertex connects two adjacent faces, forming a total of 10 right angles around each vertex. Therefore, a pentagonal prism has a total of 50 right angles.