Find an angle's measure when given the measures of its parts.


Toothy the crocodile wants to eat a delicious chicken. His mouth is open to an angle of 30, degree. He needs to open his mouth to an angle of 55, degree for the chicken to fit.
What is the measure of the additional angle Toothy's mouth needs to open so he can eat the chicken?
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0, point, 75
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4