Assertion: right triangle's angle | /r/HasProperty | 60°
Facets:
Source sentences:
text: It is right triangle whose angles are 30°, 60° and 90°.
text: In the familiar Euclidean geometry, an equilateral triangle is also equiangular; that is, all three internal angles are also congruent to each other and are each 60°.
text: Each angle of an equilateral triangle is 60°, so
text: And the angle is 60°