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The angle outside the semicircle is less than 90 The angle inside the semicircle is greater than 90
Author:
zacharias thomas
GeoGebra
New Resources
Piano. Keyboard.
Rotating Points (Optical Illusion)
Simplifying Radicals: Geometric Thin Slice
Supplementary Angles
Napoleon's Theorem
Discover Resources
Trial 2
Supplementary and Complimentary Angles
Rhombus Lesson
Square Properties Investigation
การบวกจำนวนเต็มบวกกับจำนวนเต็มลบ
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Equations
Means
Symmetry
Logic
Arithmetic Operations