It's called a rectangle, the sides must be same length in addition to it having all 90 angles for it to be a square.
a square
Lines that intersect right angles (ninety-degree angles) are described as perpendicular.
Acute angles.
squares
yes because a square is, by definition, a shape having 4 ninety degree angles, and four congruent sides
No, but it can have 1, 2 or 4 ninety degree angles.
Yes, to be a square, it must have all 90º angles.
a perometer parallel hicktogon
They are called obtuse angles.
Two angles are called complementary angles if the sum of their degree measurements equals 90 degrees. One of the complementary angles is said to be the complement of the other.
Square rectangle rhombus parallelogram
A rectangle has four ninety degree angles, where as a trapezoid does not.