A. draw the image of δabc after a rotation of 90° counter-clockwise about the origin. label the image δa’b’c’.
b. draw the image of δabc after a reflection across the y-axis. label the image δa”b”c”.

in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.

angle efh= angle egh