Many make mistakes and spell complementary instead of complementary. Moreover, be careful while spelling the word. How fascinating is that!Īccording to Merriam Webster, the definition of the complementary angle is two angles that add up to 90 degrees. That is not what we want, right? Yet, the look-up popularity in Merriam Webster for complementary angles is top 7% of words. So it is clear why the right angle is known as a complete angle.ĭo you refer to Merriam Webster while looking for any definition of an unknown word or phrase? For example, while looking for complementary angles, one will see complementary air and complementary cell. More fascinating though is, cutting a slice of bread into two triangles will yield two right angles having a pair each of complementary angles. So, can we say a right angle is a complete angle? Think it over. The word complementary comes from a Latin word, completum, meaning completed. In other terms, angles making a right angle can be termed complementary angles.

We have arrived at the point where we will define complementary angles? One common question in everyone’s mind – what are complementary angles? In that case, complementary angles are those whose sum is equal to 90 degrees. Complementary Angles: More than complementing angles So what exactly do complementary supplementary angles mean? Let us understand more about them. Complementary angles might be sounding like we are complementing an angle, right? But, no! The complementary angles definition is different when it is learned under Mathematics. Therefore, it is important to learn in-depth about complementary supplementary angles. While dealing with Mathematics, a normal brain will be confused in its initial stages about what complementary and supplementary angles are.

A supplementary angle