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Graeme McRae
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Condition where one root is the square of the other
Activity
Graeme McRae
Point P inside Equilateral Triangle Distance from Sides is h
Activity
Graeme McRae
Triangle Incenter and Excenters
Activity
Graeme McRae
Circles through two points and tangent to line
Activity
Graeme McRae
Isosceles triangle w inscribed circle and tangent triangle
Activity
Graeme McRae
Cone inscribed in sphere
Activity
Graeme McRae
Two spheres in a cube, cross section diagonal view
Activity
Graeme McRae
16-point star with exterior angle 157.5 degrees
Activity
Graeme McRae
Prime Solutions to (x-1)(y-1)=72
Activity
Graeme McRae
Diagonals of a Regular Octagon
Activity
Graeme McRae
Puzzle Find area of PQRS
Activity
Graeme McRae
Puzzle Find area of PQRS in general
Activity
Graeme McRae
Tetrahedron has square cross section
Activity
Graeme McRae
Cross section of cone, sphere, cylinder
Activity
Graeme McRae
Cone + Sphere = Cylinder
Activity
Graeme McRae
Area of Regular Octagon Equals This Rectangle
Activity
Graeme McRae
3 congruent intersecting circles region 2
Activity
Graeme McRae
3 congruent intersecting circles
Activity
Graeme McRae
Triangle 2 altitude feet equidistant from 3rd side midpoint
Activity
Graeme McRae
Barycentric Coordinates
Activity
Graeme McRae
Equilateral Triangle Barycentric Coordinates 234
Activity
Graeme McRae
Similar Polygons
Activity
Graeme McRae
Rhombus with diagonals 72 and 30
Activity
Graeme McRae
Parallelogram ABCD point P angles APB and CPD supplementary
Activity
Graeme McRae