Yes
Yes.
right angles or 90 degrees
70 ft
longer
P
Using the formula: 0.5*(64-24) = 20 diagonals
They are straight lines that intersect each other at right angles or 90 degrees.
A kite, for example.A kite, for example.A kite, for example.A kite, for example.
fighter kite, indoor kite, flat kite, soft kite
A kite or arrowhead.A kite or arrowhead.A kite or arrowhead.A kite or arrowhead.
It can be a kite.
A decagon has 35 diagonals. This can be computed by multiplying ten by seven and dividing by two. Seven is derived from the number of sides minus three.