Cosine rule & Pythagoras' Theorem

Argomento:Coseno, Pitagora o teorema di Pitagora

Drag the RED point to create an non-right angle triangle. How does the COSINE rule extend Pythagoras' theorem to describe non-right angle triangles? (Tick the box to see the Working).

Nuovi materiali

Squaring a Rectangle (PST Version)
Rovnoběžnost rovin
Angle Addition Postulate (V2) - Integer Solutions
Isosceles Right Triangle
Writing and Graphing Proportional Relationships (k>0)

Scopri i materiali

Fourier series for a square-wave function
DataPointsForDDT
Transformation of function
paraboloide elíptico
Line of Best Fit Data Set 2

Scopri gli argomenti

Frazioni
Trasformazioni geometriche
Poligoni
Limiti
Calcolo integrale