Question

Susan and Lucy are standing 4 feet apart. Peter and Lucy are standing 7 feet apart. Susan and Peter are standing 5 feet apart. If peter turns from facing Lucy to facing Susan, what is the angle that describes his rotation

Answer 1

Rotations Radians Degrees

    ¼                 π/2     90°

    ½                   π     180°

     1                         2π       360°

    1½                 3π      540°

you can use this hope this helps!