I can be less than 180 degrees, I often form triangles, and I am less than a straight line. What am I?
Category: Math · Difficulty: medium
Hint: Think about angles less than half a circle.
Answer
An acute angle
Explanation
An acute angle is defined as being less than 90 degrees, fitting into triangles while being less than a straight line which is 180 degrees.
This is a medium math riddle — a moderate challenge for most people. The answer is An acute angle.
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