Asked in Math and Arithmetic, Geometry
How many pairs of parallel sides are there in a hendecagon?
A right hendecagon can have no parallel sides because there are eleven sides to a hendecagon. It is not a requirement that there be any pairs of parallel sides in an irregular hendecagon, although there could be one or more pairs. ...
Asked in Math and Arithmetic
How many diagonals does an isosceles triangle have?
0 they have no diagonals