Lines and Angles — Important Questions
CBSE · Class 6 · Mathematics
42 important questions from Lines and Angles for CBSE Class 6 Mathematics, with answers. Part of the CBSE Class 6 Mathematics syllabus.
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Important Questions from Lines and Angles
Which of the following are acute angles? (Select all correct answers)
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45°, 89°, 30°, 1°
Acute angles are those greater than 0° and less than 90°. So 45°, 89°, 30°, and 1° are all acute. 90° is a right angle, and 120° is an obtuse angle.
In the Ashoka Chakra with 24 spokes, what is the angle between two adjacent spokes?
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15°
The Ashoka Chakra is circular with 24 equally spaced spokes. A complete circle is 360°. The angle between adjacent spokes is 360° ÷ 24 = 15°.
An angle measures 120°. What type of angle is this?
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Obtuse
An obtuse angle measures more than 90° and less than 180°. Since 120° is between 90° and 180°, it is an obtuse angle.
If two angles are complementary and one angle is 35°, what is the other angle?
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55°
Complementary angles add up to 90°. If one angle is 35°, the other angle is 90° - 35° = 55°.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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