Find the number of sides of a regular polygon whose each interior angle is of
135*

octagon = 8

Step-by-step explanation:

(n-2) * 180

8-2 = 6 *180

=1080

1080 / 8 = 135

b. the decimal could be two-tenths.

step-by-step explanation:

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square