No only obtuse triangles have a measure over 90 degrees:)
A right angle is exactly 90 degrees.
Ninety Degrees
It is a right angle triangle and its 3rd angle is 70 degrees.
Complementary
A rectangle
greater than 90 degrees less than 180 degrees
They are called obtuse angles.
An acute angle.
An angle and its complement sum to ninety degrees. 90-52=38
The intersecting lines of a rectangle are at ninety degrees while the intersecting lines that form a parallelogram may be greater than or less than ninety degrees.
An angle greater than 0 but less than 90 degrees is an acute angle.
Ninety Degrees in the Shade was created in 1965.