As we can notice the shape is a Pentagon. A Pentagon's angles should add up to 540. So we can use simple addition and subtraction to solve.
121 + 108 + 102 + 100 = 431
540 - 431 = 109
109 should be your answer
Answer:
Step-by-step explanation:
it is all of the side lengths of the four sides times how many trapezoids there are
Answer: C.It has a negative association
Step-by-step explanation: