Find the value of the angle which is complementary to itself. [1 MARK]

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Solution

When we subtract this angle from $90^{\circ}$ , the value of this complementary angle is same as that angle.

Let the angle be x. So the complementary angle of $x = 90^{\circ} - x .$

$\Rightarrow x + x = 90^{\circ}$

$\Rightarrow 2 x = 90^{\circ}$

$\Rightarrow x = 45^{\circ}$

The angle which is complementary to itself is $x = 45^{\circ}$ .

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