GoGeometry Action 148!
- Author:
- Tim Brzezinski
- Topic:
- Geometry
Creation of this resource was inspired by a tweet from Antonio Gutierrez (GoGeometry).
Both circles you see are externally tangent to each other.
In addition, both lines you see are externally tangent to both circles.
Note:
The LARGE POINTS are MOVEABLE.
Now, here's another question:
We now know that the areas of both manila triangles (shown below) are equal.
Yet how can we prove that the area of the green quadrilateral = double the area of one of these triangles?