Question 8: A Single Right Angle

Autor:Steve Phelps

In a spherical triangle, with exactly one right angle, (a) What are the possibilities for the two oblique (nonright) angles? (b) How can we think about the sides of the triangle?

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Pythagorean Theorem: Quick Illustrator
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Pythagorean Template: Integer Legs
Congruent Sides & Angles in △s: Exploration

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Sine approximation by line segments.
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Tessellation Tiling

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Okrąg opisany
Mnożenie
Rachunek różniczkowy
Geometria fraktalna
Obwód