Respuesta :
Acute angle is less than 90 degrees, obtuse is more than 90, right angle is 90 exactly, and the straight angle equals 180 degrees.
They are all angles.
Acute: anything under 90 degrees
Obtuse: anything over 90 degrees
Right: 90 degrees exact
Straight: 180 degrees exact
Acute: anything under 90 degrees
Obtuse: anything over 90 degrees
Right: 90 degrees exact
Straight: 180 degrees exact