The measure of an angle which forms a pair of equal supplementary angles with itself is

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Solution

The correct option is D
Let the measure of the anlge be $x^{\circ}$ . Then,
$∴ x^{\circ} + x^{\circ} = 180^{\circ} \Rightarrow 2 x^{\circ} = 180^{\circ} \Rightarrow x^{\circ} = 90^{\circ}$

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The measure of an angle which forms a pair of equal supplementary angles with itself is

The correct option is D Let the measure of the anlge be x∘. Then, ∴x∘+x∘=180∘⇒2x∘=180∘⇒x∘=90∘

The correct option is D
Let the measure of the anlge be $x^{\circ}$ . Then,
$∴ x^{\circ} + x^{\circ} = 180^{\circ} \Rightarrow 2 x^{\circ} = 180^{\circ} \Rightarrow x^{\circ} = 90^{\circ}$