Item:Q5499: Difference between revisions
Created a new Item: right angle, 90° angle (π/2 radians): an angle that bisects the angle formed by two halves of a straight line |
Created claim: part of (P7): right triangle (Q5502) |
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| Property / instance of | |||
| Property / instance of: angle / rank | |||
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| Property / part of | |||
| Property / part of: right triangle / rank | |||
Normal rank | |||