Answer:
B.
Step-by-step explanation:
Answer: <em>x = 1.25</em>
Step-by-step explanation:
<em>HF - is the middle line of the triangle ABC.</em>

Answer:
13 sides.
Step-by-step explanation:
(n - 2) = 1980 / 180 = 11.
n = 13
When the sum of the interior angles is 1980 degrees, the convex polygon will have 13 sides.
i hope this helps and is right! p.s. i really need brainliest :)
The answer to your query is 19.2
Answer:
42
Step-by-step explanation: