Do all four sided shapes have four right angles?

Answer 1

No, only squares and rectangles have four sides and four right angles (90 degrees).

Parallelograms, trapeziums, kites, and rhombuses all have four sides, but they have different size angles.

Answer 2

No. Only squares and rectangles have 90 degree angles. There are other 4-sided shapes, such as a rhombus, a diamond, and a trapezoid that have 2 angles that are larger than 90 degrees and 2 angles that are smaller than 90 degrees.