Item:Q7824: Difference between revisions
Created claim: subclass of (P1): Hjelmslev quadrilateral (Q7826) |
Created claim: has quality (P14): right angle (Q5499) |
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(One intermediate revision by the same user not shown) | |||||||
Property / defining formula | |||||||
\tan{\frac{A}{2}}=\frac{b}{a},\qquad \tan{\frac{C}{2}}=\frac{a}{b} | |||||||
Property / defining formula: / rank | |||||||
Normal rank | |||||||
Property / has quality | |||||||
Property / has quality: right angle / rank | |||||||
Normal rank | |||||||
Property / has quality: right angle / qualifier | |||||||
quantity: 2
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