315
13 m
A) 9.2 m
C) 31.4 m2
B) 71.5 m
D) 464.6 m

Two angles are adjacent, as shown in the diagram below. part a: use complete sentences to describe the relationship between the adjacent angles. part b. set up an equation and solve for x. in your answer, include the equation, your calculations and the value of x. part c. use your equation from part a and the value of x from part b to prove your equation to be true for the adjacent angles in the diagram.