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What is 1 + 3?
Geometry, chapter 9
what is the pythagorean theorm?
if a triangle is a right triangle then a²+b²=c²
what is the converse of the pythagorean theorm?
if a²+b²=c² then the triangle is a right triangle
what are the pythagorean tripples?
isosceles right triangle conjecture
side length (l) : hypotenuse l√2
30°60°90° triangle conjecture
shorter leg (a) : longer leg a√3 : hypotenuse 2a
equation of a circle
(x-h)²+(y-k)² = (r)²