Y=15 -4y
+4y +4y
5y=15
÷ ÷
5 5
y=3
The exterior and an interior angles always add up to 180 degrees.
180-150=One exterior angle
180-150=30
We know that all of the exterior angles add up to 360
360/30= the number of sides
360/30=12
The shape has 12 sides.
Answer:
5
Step-by-step explanation:
Answer:
The 1st the 3rd and 4th are the answers
Step-by-step explanation:
Edgen
I had this question last year I believe it's C but not 100% s<u>ure.</u><span />