*image: mathisfun.com*

**Acute angle:**

Less than 90°

**Right angle:**

Exactly 90°

**Obtuse angle:**

More than 90° but less than 180°

**Straight angle:**

Exactly 180°

**Reflex angle:**

Greater than 180° but less than 360°

**Revolution:**

Exactly 360°

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The diagrammatic description of different angles is beautiful and this blogs easily teaches the different type of angles and their difference.Its a part of trigonometry and Trigonometry itself is very similar to geometry, but is slightly more complex. It utilizes functions such as sine, cosine and tangent to analyze areas of angles. These and other functions of trigonometry are used in a variety of career fields including but not limited to: acoustics, architecture, astronomy, biology, chemistry, civil engineering, computer graphics, metrology, medical imaging, music theory and several other fields.

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