Question

Find the X in the following polygon (Middle school)

Answer 1

Answer:

100°

Step-by-step explanation:

all interior angles of a polygon=540°

110+80+80+130+y=540

y=540-460=80

x+y=180°(linear pair)

x=180-80

x=100

Answer 2

Answer:

7

Step-by-step explanation:

all interior angles of a polygon=540°

110+80+80+130+y=540

y=540-460=80

x+y=180°(linear pair)

x=180-80

x=100