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Congruent Segment Surprise
Author:
Ted Courant
Given two semi-circles inscribed in a square, construct two segments, and connect their respective intersections, as shown.
GeoGebra
Show that the Red and Blue segments are congruent and perpendicular.
New Resources
A Happy Polar Leaf
'Einstein' tile vitral
apec
Spherical dodecahedron/icosahedron
Bessel Function
Discover Resources
Sine Wave Transformations
Segment AB / 4
Task 4
EM 2016 P2 Q6
Degrees to Radians and Back
Discover Topics
Dilation
Coordinates
Rectangle
Circumcircle or Circumscribed Circle
Bar Chart or Bar Graph