Complementary Angle Calculator

Solve Complementary Angle
Enter Angle A =

Complementary Angle =

Complementary Angle Calculator is a free online tool that displays the complementary angle for the given angle measure. BYJU’S online complementary angle calculator tool makes the calculation faster, and it displays the answer in a fraction of seconds.

How to Use the Complementary Angle Calculator?

The procedure to use the complementary angle calculator is as follows:

Step 1: Enter the angle in the input field

Step 2: Now click the button “Solve” to get the result

Step 3: Finally, the complementary angle for the given angle will be displayed in the output field

What is Meant by Complementary Angle?

In Maths, two angles are said to be complementary, when the angles add up to 90 degrees. The complementary angle need not be adjacent to each other, but its sum should be equal to 90 degrees. For example, 47° and 43° are complementary angles.


To find out another angle if one of the complementary angles is 60°


We know that the sum of complementary angles is 90

Let the unknown angle be x


60° + x = 90°

X = 90° – 60°

X = 30°

Hence, the unknown angle is 30°

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