【實用教育app】Marvelous Angle at The Circ.|最夯免費app

Marvelous Angle at The Circumference

A new trend of digital teaching! Using teaching aids is not just showing pictures, cards or three-dimensional objects. Kang Hsuan digital teaching aid “Marvelous angle at the circumference” has interactive operation which makes your teaching more brilliant.

It includes introductions of 9 theorems:

1. Congruent chords have congruent arcs.

2. Inscribed angle is half of the central angle.

3. The arc lengths congruent, the inscribed angles congruent.

4. Thales' Theorem

5. In a circle, parallel chords intercept congruent arcs.

6. Sum of opposite angles of inscribed quadrilateral add up to 180 degrees.

7. If a tangent and a chord intersect at a point on a circle, the measure of each angle formed is one half the measure of its intercepted arc.

8. Angles Inside the Circle Theorem

9. Angles Outside the Circle Theorem

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