# Problems

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Stella Number Problem Title
1010.11 Squares in a Square
1020.15 A Triangle with Given Midpoints
1020.23 Vacation on a Triangular Island
1020.42 Overlapping Squares
1020.44 Dividing the Yin and the Yang
2070.43 Big and Little Cubes
2210.41 Distance on the Number Line
2760.21 Adjacent Corner of a Square
2761.11 A Sum of Slopes
3070.12 A Supplement/Complement Conjecture
3150.11 Calculating an Angle
3155.21 Jasmine and Biscuit
3155.22 A Triangular Garden
3155.41 A Mystery Angle
3155.51 A Narrow Sinister Alley
3160.11 Triangle ABC is Isosceles
3232.11 Triangle-ing
3261.11 Quadrilateral BCDF is a Rhombus
3305.11 Diagonals of Two Regular Polygons
3305.52 Stop Sign
3310.11 Sum of Interior Angles
3310.19 A Pentangle
3320.11 A Ratio of Areas
3320.21 A Square Inside a Circle Inside a Square
3350.11 Overlapping Parallelograms
3360.11 Mystery Trapezoid
3410.32 Squares Make An Octagon
3420.22 The Area of a Cross
3420.24 Three Equilateral Triangles
3420.25 The Sum of Two Triangles
3420.26 Area of a Hexagon
3420.27 Triangle Area
3420.29 Midline Triangle
3420.41 Dance of the Area Bisectors
3420.43 Regular Triangle, Regular Hexagon
3420.61 Two Triangles and a Square
3420.71 Hard Triangle Area
3420.73 Crazy Baseball Diamond
3420.81 Intersecting Medians
3440.12 Billy the Goat
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