Who are the characters in “A Touch of Evil”

Charlton Heston as Ramon Miguel Vargas

Janet Leigh as Susan Vargas

Orson Welles as Police Captain Hank Quinlan

Joseph Calleia as Pete Menzies

Akim Tamiroff as Uncle Joe Grandi

Joanna Cook Moore as Marcia Linnekar

Ray Collins as District Attorney Adair

Dennis Weaver as the Night Manager

Val de Vargas as Pancho

Mort Mills as Al Schwartz

Victor Millan as Manolo Sanchez

Lalo Rios as Risto

Phil Harvey as Blaine

Joi Lansing as Zita

Harry Shannon as Police Chief Pete Gould

Rusty Wescoatt as Casey

Wayne Taylor as a gang member

Ken Miller as a gang member

Raymond Rodriguez as a gang member

Arlene McQuade as Ginnie

Dan White as the Border Guard

Zsa Zsa Gabor as the Strip-club owner

Marlene Dietrich as Tanya

Mercedes McCambridge as a hoodlum

William Tannen as Howard Frantz

Joseph Cotten (uncredited) as a coroner

Explanation:

the answer is

r ≈5.641

plug in the area of 100 yards into the equation

100=

divide each side by pi

≈ 31.8309=

take the square root of each side to find r

=r

r ≈5.641