Answer:
a. -x, y b. x, y c. x, -y
Step-by-step explanation:
hope this helps:)
Answer:
x = 162
Step-by-step explanation:
the sum of the interior angles of a quadrilateral = 360°
sum the interior angles of the quadrilateral and equate to 360
90 + 60 + x + 48 = 360 , that is
198 + x = 360 ( subtract 198 from both sides )
x = 162
Question four should be -7, question five should be 99, and question six should be 56.
