# Nested Isosceles Triangles _Posted on Mar 5, 2020_ +-- {.image} [[NestedIsoscelesTriangles.png:pic]] > Both the outer black triangle and inner pink triangle are isosceles, and the three coloured areas are equal. What’s the angle? =-- * Thread [on twitter](https://twitter.com/Cshearer41/status/1235585234235805696) * [[nested isosceles triangles techniques]] * [[nested isosceles triangles solution]]