In my ASVAB prep course, I make sure to teach about angles for the Mathematics Knowledge section.  As an ASVAB tutor, I remind my students that knowing the different types of angles is important to know in the area of geometry.  I make sure to provide ASVAB math help in the areas of algebra and geometry for the Mathematics Knowledge section of the ASVAB.  Do you know what the measure of an acute angle is?  The answer will be posted tomorrow.