Draw a horizontal and vertical line from the ... Substitute the values of a, b and c into Pythagoras’ theorem to give 2² + 4² = \(c\)². 4 + 16 = 20 To find the value of \(c\), calculate ...

Here's the deal; there was this Greek guy named Pythagoras, who lived over 2,000 years ago during the sixth century B.C.E. Pythagoras spent a lot of time thinking about math, astronomy ...