Question

What is the name of this angle?

A.
acute

B.
right

C.
obtuse

D.
straight

Answer 1

An acute angle, because it is less than a right angle (90 degrees) and more than 0 degrees.

An obtuse angle is more than 90 degrees and less than 180 degrees, a right angle is strictly 90 degrees and a straight angle is 180 degrees.