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semi-circles
Author:
Arthur Lee
Topic:
Circle
The area of this shape does not change when you drag the point D. It only depends on the lengths of AC and BD.
GeoGebra
Check
another file
for more info or watch the video below for some explanation.
New Resources
Basic Percent Exercises (V1)
Opposite, Adjacent, Hypotenuse in a Right Triangle
Flip 4 Coins
Golden Rectangles and Golden Spirals
以竹簽拼砌三角形
Discover Resources
Unit 2: Related Angles
Circular Motion
KMS 2017_L_3s_2
Triangle Sum Theorem Illustrated With Transformations
SIR model
Discover Topics
Interest Calculation
Calculus
Vectors 2D (Two-Dimensional)
Logic
Pie Chart or Circle Chart