GCSE Maths Practice: angles

Question 8 of 10

This question focuses on classifications of angles by size.

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\( \begin{array}{l}\text{Which of the following are classifications of angles?}\end{array} \)

Select all correct options:

Remember: acute < 90°, obtuse 90–180°, reflex 180–360°.

Angles can be classified according to their measurement. An acute angle is less than 90°, an obtuse angle is greater than 90° but less than 180°, and a reflex angle is greater than 180° but less than 360°. Full turns and straight angles are measures but not classifications for individual angles. Recognizing these classifications helps in geometry problems, diagram interpretation, and angle calculations. Students can practice identifying different types of angles in diagrams, polygons, and real-life objects. Understanding classifications is essential for solving proofs, constructions, and polygon problems. Frequent practice improves speed and accuracy in exams and develops geometric reasoning skills.