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Class 5 Exam  >  Class 5 Tests  >  Math Olympiad for Class 5  >  Olympiad Notes: Angles - Class 5 MCQ

Olympiad Notes: Angles - Class 5 MCQ


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10 Questions MCQ Test Math Olympiad for Class 5 - Olympiad Notes: Angles

Olympiad Notes: Angles for Class 5 2025 is part of Math Olympiad for Class 5 preparation. The Olympiad Notes: Angles questions and answers have been prepared according to the Class 5 exam syllabus.The Olympiad Notes: Angles MCQs are made for Class 5 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Notes: Angles below.
Solutions of Olympiad Notes: Angles questions in English are available as part of our Math Olympiad for Class 5 for Class 5 & Olympiad Notes: Angles solutions in Hindi for Math Olympiad for Class 5 course. Download more important topics, notes, lectures and mock test series for Class 5 Exam by signing up for free. Attempt Olympiad Notes: Angles | 10 questions in 10 minutes | Mock test for Class 5 preparation | Free important questions MCQ to study Math Olympiad for Class 5 for Class 5 Exam | Download free PDF with solutions
Olympiad Notes: Angles - Question 1
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What does an angle represent in geometry?

Detailed Solution for Olympiad Notes: Angles - Question 1
An angle is formed when two lines meet at a common point. The space between these two lines, measured in degrees, represents the angle. Angles can vary based on how much the two lines open up from each other.
Olympiad Notes: Angles - Question 2
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What tool is typically used to measure angles in geometry?

Detailed Solution for Olympiad Notes: Angles - Question 2
A protractor is used to measure angles in degrees. It has a curved scale that lets students measure different angles accurately, such as 30°, 45°, 90°, and so on.
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Olympiad Notes: Angles - Question 3
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What type of angle is exactly 90 degrees?

Detailed Solution for Olympiad Notes: Angles - Question 3
A right angle is exactly 90 degrees. It is often seen where two lines meet to form a perfect corner, like the corner of a square. This angle represents a "quarter turn" in geometry.
Olympiad Notes: Angles - Question 4
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If the hands of a clock show 3 o'clock, what type of angle is formed between them?
Detailed Solution for Olympiad Notes: Angles - Question 4
At 3 o’clock, the minute and hour hands form a 90-degree angle, which is a right angle. On a clock, each number represents 30 degrees, so moving from 12 to 3 covers 90 degrees.
Olympiad Notes: Angles - Question 5
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How many degrees is the angle formed by two lines in a straight angle?
Detailed Solution for Olympiad Notes: Angles - Question 5
A straight angle measures exactly 180 degrees. This type of angle appears as a straight line, dividing a circle in half.
Olympiad Notes: Angles - Question 6
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Which of the following angles is considered an obtuse angle?
Detailed Solution for Olympiad Notes: Angles - Question 6
An obtuse angle is one that measures more than 90 degrees but less than 180 degrees. The 135° angle fits this criterion, as it’s larger than a right angle but doesn’t reach a straight angle.
Olympiad Notes: Angles - Question 7
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Identify the Angle
Detailed Solution for Olympiad Notes: Angles - Question 7

Obtuse Angle Examples
Obtuse Angle Examples

Olympiad Notes: Angles - Question 8
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A triangle has angles measuring 50°, 60°, and 70°. What kind of triangle is it based on its angles?
Detailed Solution for Olympiad Notes: Angles - Question 8
A triangle where all angles are less than 90 degrees is called an acute triangle. Since each angle here is under 90°, this triangle qualifies as an acute triangle.
Olympiad Notes: Angles - Question 9
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Which of the following angles is not possible in geometry?
Detailed Solution for Olympiad Notes: Angles - Question 9
An angle greater than 360° is not possible in basic geometry, as angles are measured within a full circle, which is 360°. Any angle greater than this is not considered standard for basic angle classification. Hence, Option A is the correct answer.
Olympiad Notes: Angles - Question 10
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If two angles are supplementary and one of them is 120°, what is the measure of the other angle?
Detailed Solution for Olympiad Notes: Angles - Question 10

Supplementary angles add up to 180°. If one angle is 120°, the other angle will be:
180°− 120° = 60°. Therefore, the measure of the other angle is 60°, which makes Option A the correct answer.

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