Online Geometry: Triangles, Theorems and Problems

Online Geometry

Triangles Theorems and Problems- Page 13

Triangles

Triangle, Incenter, Excenter, Similarity

Geometry Problem 624
Triangle, Incenter, Excenter, Incircle, Excircle, Similarity.

Triangle, Incenter, Excenter, Concyclic Points

Geometry Problem 623
Triangle, Incenter, Excenter, Incircle, Excircle, Concyclic Points.

Two Parallelograms, Center, Parallel

Geometry Problem 621
Three Rectangles, Diagonals, Centers, Angles.

Three Rectangles, Centers, Angles

Geometry Problem 620
Three Rectangles, Diagonals, Centers, Angles.

Triangle Area, 30 Degrees, Incircle

Geometry Problem 619
Triangle Area, 30 Degrees, Incircle, Incenter, Tangent.

Triangle area, 60 degrees

Geometry Problem 618
Triangle Area, 60 Degrees, Incircle, Incenter, Tangent.

Right triangle area

Geometry Problem 617
Right Triangle Area, Incircle, Incenter, Tangent, 90 Degrees.

Parallelogram, Diagonal, Parallel

Geometry Problem 616
Parallelogram, Diagonals, Intersecting Lines, Parallel Lines.

Triangle, Square, Area

Geometry Problem 615
Right Triangle with a Square, Diagonals, Center, Area of Quadrilateral.

Parallelogram, Diagonal, Parallel

Geometry Problem 614
Parallelogram, Diagonals, Intersecting Lines, Parallel Lines.

Triangle, Altitude, Collinearity

Geometry Problem 613
Altitude of a Triangle, Perpendicular, Collinear Points.

Triangle, Altitude, Congruence

Geometry Problem 612
Altitude of a Triangle, Perpendicular, Congruence.

Triangle, Altitude, Collinearity

Geometry Problem 611
Altitude of a Triangle, Perpendicular, Collinear Points, Parallel.

Triangle, Perpendiculars, Collinearity

Geometry Problem 609
Triangle, Perpendiculars, 90 Degrees, Collinearity.

Square with Right triangles

Geometry Problem 608
Square with Right Triangles, Metric Relations, Congruence, Measurement.

Intersecting Circles

Geometry Problem 607
Intersecting Circles, Triangles, Metric Relations, Measurement.

Isosceles triangle

Geometry Problem 606
Isosceles Triangles, Perpendicular and Parallel Lines.

Parallelogram Area

Geometry Problem 604
Parallelograms, Triangle, Trapezoid, Area.

Triangle, Angle, Congruence

Geometry Problem 602
Triangle, Angles, 30 and 45 Degrees, Cevian, Congruence.

Quadrilateral, 90 degrees, congruence

Geometry Problem 597
Quadrilateral, Right Triangle, Isosceles, Angle, Congruence.

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