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📐 Mathematics - Class 7

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Lesson 1 · Lines and Angles

Copying and Bisecting Angles

MathematicsSubject

13 minEstimated read

📖Note 🧮Worked Examples 📐Construction 🔬Activity ⭐Points to Remember ✏️Practice Questions 🧪Practice Test 🎬Video 🖥️Presentation

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Lesson 1 topics

Constructing Angles with a Compass Copying and Bisecting Angles Pairs of Angles

Quick Facts

Lesson: 1: Lines and Angles
Topic: Copying and Bisecting Angles
Domain: Geometry

Three equal sides lock a triangle into one shape, so matching the sides matches the angles for free.

Study Tip

If your copy comes out a few degrees off, check four things before blaming the method: same radius, same PQ width, sharp pencil, point not slipping into an old hole.