Lesson 8 · Circle

Conic Section

Optional MathematicsSubject

8 minEstimated read

Activity 1

Method

Look at the front face of a wall clock. What shape is it?
Look at a picture of the solar system. What shape is the path each planet follows around the Sun?
Look at a telecom dish antenna. What geometric shape is the dish?
Look at an hourglass. What geometric shape is its outline? Discuss in groups and draw a conclusion.

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