Which of the following does not have a diagonal?
Triangle
Quadrilateral
Pentagon
None of these
A triangle does not have any non-adjacent vertices. Hence it cannot have diagonals
Which of the following do not have unpaired e−?
There is a quadrilateral PLAY with PL = 3cm, LA = 4cm, AY = 4.5 cm, PY = 2cm. Which of the following values of LY is not possible?