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Mathematics Goes to the Movies

by Burkard Polster and Marty Ross

 

The Wizard of Oz (1939)

86:30
The Scarecrow (Ray Bolger) has just received his Doctor of Thinkology, and is testing out his abilities.
THE SCARECROW: The sum of the square roots of any two sides of an isosceles triangle is equal to the square root of the remaining side.