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Isosceles Tetrahedron
Author:
Steve Phelps
A tetrahedron with congruent opposite edges is an
ISOSCELES TETRAHEDRON
.
GeoGebra
New Resources
探究由平行線和截線所成的角
Variation Theory Parallelogram Proofs
Droste effect draft
Average Rate of Change: Graph a Function (2)
alg2_05_05_01_applet_exp_2_flvs
Discover Resources
PunktMit2Funktionen01
Integral Project
Question 2: Part F
Incenter
Double Skew Tetrahedra (12 tetrahedra)
Discover Topics
Pythagoras or Pythagorean Theorem
Volume
Constructions
Means
Tangent Line or Tangent