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Problems | Triangles |
Right Triangle
Welcome to Theorems and Problems Online Tutoring about
triangles. Site created and
maintained by
Antonio Gutierrez.
Level: High School, SAT Prep, College
geometry.
Triangles (Page 1 of 6)
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Congruence. Index.
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Similarity, Ratios, Proportions.
Index. |
Areas Index.
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Problem 132.Triangle, 60 degree,
Orthocenter, Congruence, Midpoint.
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Problem 125. Area of Triangle,
Star, Trisection of Sides
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Problem 129. Triangle, Concurrent
Cevians, Sum of Ratios. |
Problem 127. Centroid and
Incenter of a Triangle, Parallel, Proportions. |
Problem 126. Incenter of
Triangle, Angle Bisector, Proportions.
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Problem 125. Area of Triangle,
Star, Trisection of Sides
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Problem 124. Area of triangle,
Similarity, Trisection of Sides |
Problem 123. Area of triangle,
Similarity, Trisection of Sides
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Problem 122. Marion Walter's
Theorem
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Problem 120. Area
of triangle, incenter, excircles |
Problem 119. Area
of triangle, incenter, excircle |
Problem 117. Area
of triangle, incenter, excircles |
Problem 115. Area
of triangle, excircles
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Intouch and Extouch Triangles, Areas
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Contact Triangles Areas, Incircle, Excircle |
Contact Triangles Areas, Incircle, Excircle, Inradius, Exradius |
Area of the Contact Triangle, inradius, circumradius
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Mascheroni
Construction with compass alone. |
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Right
Triangles, Formulas and Facts
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Mind Map of
the Pythagorean Theorem
Proofs by shears, translation, similarity. Facts. |
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Triangle and Squares 20
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