7
13
A pentagon has 5 sides
A pentagon has 5 sides
A pentagon has five sides.
7
count the corners! Penta=5, five sides=5 angles, five angles equal 5 intersections. Some of these may be perpendicular, but not necessarily.
4
13
There is 540 in a pentagon.
A pentagon has five sides.
A pentagon has 5 diagonals.
A pentagon has five sides.
There are 5 angles in a pentagon.
There are five diagonals in a pentagon.
'Penta' ; Latin for five(5), hence 5 vertices. Modern mathemtica and science falls back on a lot of Latin and Classical Greek names. Hence Bi/Di - 2 Tri = 3 Quad/Tetra = 4 Penta = 5 Hexa = 6 Hepta = 7 Octa = 8 Nona = 9 Deca = 10 Centa = 100 Mille = 1000 Even if you only learn the most base of Latin and Classical Greek , you would understandfrom much of the scientific nomenclature(naming system).
A pentagon has 5 sides