Answer:
Step-by-step explanation:
As each exterior angle is 45o , number of angles or sides of the polygon is 360o45o=8 . Further as each exterior angle is 45o , each interior angle is 180o−45o=135o .
Answer:
19
or 18
Step-by-step explanation:
First, add the whole numbers
3, 7, and 8
18
Add the fractions
+
=
IF YOU WANT SIMPLIFIED NUMBER DO THIS
=1
18+1
=19
3=−(−y+6)
Simplify:
3=−(−y+6)
3=y+−6(Distribute)
3=y−6
Flip the equation.
y−6=3
Add 6 to both sides.
y−6+6=3+6
y=9