Assertion: polygon's angle | /r/HasProperty | angle
Facets:
value: namely
type: DEGREE
Source sentences:
text: An isosceles triangle also has two angles of the same measure, namely the angles opposite to the two sides of the same length; this fact is the content of the isosceles triangle theorem, which was known by Euclid.
text: Angles 3 Triangle 60.00° 120.00° 4 Quadrilateral 90.00° 90.00° 5 Pentagon 108.00° 72.00° 6 Hexagon 120.00° 60.00° 7 Heptagon 128.57° 51.43° 8 Octagon 135.00° 45.00° 9 Nonagon 140.00° 40.00° 10 Decagon 144.00° 36.00° 11 Hendecagon 147.27° 32.73° 12 Dodecagon 150.00° 30.00° 13 Triskaidecagon 152.31° 27.69° 14 Tetrakaidecagon 154.29° 25.71° 15 Pendedecagon 156.00° 24.00° 16 Hexdecagon 157.50° 22.50° 17 Heptdecagon 158.82° 21.18° 18 Octdecagon 160.00° 20.00° 19 Enneadecagon 161.05° 18.95° 20 Icosagon 162.00° 18.00° 30 Triacontagon 168.00° 12.00° 40 Tetracontagon 171.00° 9.00° 50 Pentacontagon 172.80° 7.20° 60 Hexacontagon 174.00° 6.00° 70 Heptacontagon 174.86° 5.14° 80 Octacontagon 175.50° 4.50° 90 Enneacontagon
text: The angle between two sides is called an interior angle or vertex angle.
text: An isosceles triangle also has two angles of the same measure, namely the angles opposite to the two sides of the same length; this fact is the content of the isosceles triangle theorem, which was known by Euclid.