An algebraic expression for the quotient of 12 and z added to 89

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

1. are the corresponding angles congruent 2. find the ratios of the corresponding sides 3. is triangle jkl congruent to triangle rst? if so what is the scale factor

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6