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Question : If the measure of one angle of a right triangle is 30º more than the measure of the smallest angle, then the measure of the smallest angle is:

Option 1: 90º

Option 2: 60º

Option 3: 30º

Option 4: 75º


Team Careers360 19th Jan, 2024
Answer (1)
Team Careers360 25th Jan, 2024

Correct Answer: 30º


Solution : Given: The measure of one angle of a right triangle is 30º more than the measure of the smallest angle.
Let the smallest angle be $x$.
So, the other angle = $(x+30°)$
According to the question,
$x+(x+30°)+90°=180°$
⇒ $2x=180°–120°$
⇒ $x=\frac{60°}{2}$
⇒ $x=30°$
Hence, the correct answer is 30°.

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