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Measurement Concepts: Measuring Angles Video Lecture | General Mathematics for Primary 4

Name: Measurement Concepts: Measuring Angles Video Lecture | General Mathematics for Primary 4
Uploaded: 2022-09-01T08:01:16Z
Description: Video Lecture & Questions for Measurement Concepts: Measuring Angles Video Lecture | General Mathematics for Primary 4 - Primary 4 full syllabus preparation | Free video for Primary 4 exam to prepare for General Mathematics for Primary 4.

FAQs on Measurement Concepts: Measuring Angles Video Lecture - General Mathematics for Primary 4

1. What are angles?

Ans. Angles are geometrical figures formed by two rays sharing a common endpoint called the vertex. Angles are typically measured in degrees or radians.

2. How are angles measured?

Ans. Angles are measured by using a protractor, which is a tool specifically designed for measuring angles. The protractor has a semi-circular shape and is marked with degrees ranging from 0 to 180.

3. What is the difference between acute and obtuse angles?

Ans. Acute angles are angles that measure less than 90 degrees, while obtuse angles are angles that measure greater than 90 degrees but less than 180 degrees.

4. How do you add and subtract angles?

Ans. To add angles, simply add the degree measures of the angles together. To subtract angles, subtract the degree measure of the smaller angle from the degree measure of the larger angle.

5. What are some real-world examples of where angles are used?

Ans. Angles are used in many real-world applications, such as construction, engineering, architecture, and navigation. For example, carpenters use angles to determine the degree of a roof pitch, and pilots use angles to navigate planes.

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Sep 25, 2025 Last updated

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Video Lecture & Questions for Measurement Concepts: Measuring Angles Video Lecture | General Mathematics for Primary 4 - Primary 4 full syllabus preparation | Free video for Primary 4 exam to prepare for General Mathematics for Primary 4.

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