Question

find the complement of 72 degree​

Answer 1

Answer:

since, complement angle=90°-given angle

so, complement angle of 72°=90°-72°

=18°

answer is 18°

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Answer 2

The complement of 72° is 18°

Given :

The angle 72°

To find :

The complement of 72°

Solution :

Step 1 of 2 :

Write down the given angle

The given angle is 72°

Step 2 of 2 :

Find complement of 72°

Two angles are said to be complementary if sum of the angles is 90°

Here the given angle = 72°

Let x be the complement of 72°

So by the given condition

x + 72° = 90°

⇒ x = 90° - 72°

⇒ x = 18°

The complement of 72° is 18°

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