Question : An angle is greater than its complementary angle by 30°. Find the measure of the angle.
Option 1: 30°
Option 2: 90°
Option 3: 60°
Option 4: 120°
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Correct Answer: 60°
Solution :
Let $x$ be the angle and the complement of the angle be $(90°-x)$.
According to the question,
$(90°-x)+30°=x$
⇒ $2x=120°$
$\therefore x =60°$
Hence, the correct angle is 60°.
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