Pythagoras and Right Triangles and Problems

Plane Geometry: Pythagoras, Right Triangle, Metric Relations

Right Triangles Theorems and Problems Index 3

Classical Theorems

Classical Theorems.

Tangent Circles, Chords, Perpendiculars

Problem 437.
Tangent Circles, Diameter, Chord, Perpendicular, Congruence, Measurement.

Tangent Circles, Chords, Perpendiculars

Problem 436.
Tangent Circles, Diameter, Chord, Perpendicular, Congruence, Measurement.

Inscribed and Circumscribed regular Pentagon, Areas

Problem 430.
Circumscribed and Inscribed Regular Pentagon, Perpendicular, Areas.

Regular pentagon

Problem 429.
Circumscribed and Inscribed Regular Pentagon, Perpendicular, Measurement.
Pythagoras

Right triangle, Congruence, Angles

Problem 363.
Right triangle, Congruence, Angles.

Elearning 317 Right triangle

Problem 317.
Right triangle and Inscribed Squares.

Triangle and angle bisector of 90 degrees

Problem 303.
Triangle, Angle bisector of 90 degrees.

Right Triangle Circumcenter, Excenter

Problem 294.
Right triangle, Circumcenter, Excenter, Hypotenuse, Perpendicular.

Sagitta Problem

Problem 275.
Right Triangle, Circumcircle, Sagitta, Inradius.

Square, Midpoint, Congruence, Pythagoras

Problem 239. Square, Midpoints, Lines, Congruence, Pythagoras.

Right triangle, inradius, altitude, arithmetic mean

Problem 220. Right Triangle, Altitude, Angle Bisector, Distance, Arithmetic Mean.

Problem 207: Hypotenuse

Problem 207. Right Triangle, Hypotenuse, Inradius, Exradius relative to the hypotenuse.

Elearn 206

Problem 206. Area of a Right Triangle, Inradius, and Exradius relative to the hypotenuse.

Right triangle area

Problem 205. Right Triangle Area, Exradii relatives to legs or catheti.

Elearn 204

Problem 204. Right Triangle, Incircle, Excircles, Inradius, Exradii.

Problem 203

Problem 203. Right Triangle, Excircles, Exradii, Hypotenuse.

Problem 202 Right triangle, excircles

Problem 202. Right Triangle, Incirle, Excircles relatives to catheti, Points of Tangency, Exradius, Semiperimeter.

Elearn 201

Problem 201. Right Triangle, Excircles, Points of Tangency, Exradius, Semiperimeter.

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