Answer:
First Thing First :
<h3>Thank You</h3>
Second thing second:
The answer = 128°
Step-by-step explanation:
For this ,we need to know the theorm of vertically opposite angles,
=>When two lines intersect each other, then the opposite angles, formed due to intersection are called vertical angles or vertically opposite angles. A pair of vertically opposite angles are always equal to each other.
Hence,
<em><u>x° = it's vertically opposite Angle = 128°</u></em>
P = 6 + 8 + 8 + 12 = 34
answer
34 cm
An octagon has 8 sides.
Divide 50 cm / 8 sides.
Each side is 6.25 cm.