

Geometry Problems 861870: Triangle, Circle, Parallelogram, Trapezoid, Congruence, Similarity, Metric Relations, Incircle,
Cyclic Quadrilateral,
Rectangle, Square.
Level: High School, College




Geometry Problem 861
Triangle, Incircle, Parallel, Tangent, Metric Relations. 

Geometry Problem 862:
Trapezoid, Parallel, Equal Areas, RMS, Root Mean Square
. 

Geometry Problem 863
Circumscribed trapezoid, Inscribed Circle, Tangent, Metric Relations. 

Geometry Problem 864
Parallelogram, Diagonal, Congruence, Similarity, Metric Relations. 

Geometry Problem 865
Parallelogram, Diagonal, Midpoint, Side, Triangle, Parallel, Similarity. 

Typography of Geometry Problem 865. 

Geometry Problem 866
Cyclic Quadrilateral, Circle, Rectangle, Center, Congruence, 90 Degrees. 

Typography of Geometry Problem 866. 

Geometry Problem 867
Isosceles Triangle, Median, Perpendicular, Angle, Congruence. 

Geometry Problem 868
Cyclic Quadrilateral, Circle, Five Rectangles, Four Centers, Congruence. 

Typography of Problem 868. 

Geometry Problem 869
Triangle, Median, Three Equilateral Triangles, Collinear Points, Midpoint. 

Geometry Problem 870
Triangle, Median, Three Squares, Centers, Vertices, Collinear Points, Midpoint. 








