square
it is called a isosceles shape if iT only has 2 sides that have the same exact length
A kite
A four-sided shape with only 2 sides the same length is called a rhombus.
An isosceles triangle has 2 sides that are the same length and the other side does not match those other 2 side. For example, the measurements could be- 2 inches, 2 inches, and 5 inches.
(width side of the rectangle + length side of the rectangle) divided by 2
square
Rhombus
isosceles triangle has two sides equal in length and two angles of the same measure;
rhombus
A rhombus.
trapezoid