Answer:
<u>Answer</u><u> </u><u>is</u><u> </u><u>1</u><u>/</u><u>6</u>
Step-by-step explanation:

The answer:
First: sec(-pi) is sec(pi)
And sec(pi) is -1
You show the text of the problem, but you need to show the figure too.
a.
trust me it's the correct answer :)
Answer:
Rhombus
Step-by-step explanation:
The angles add up to 144 degrees, so they can't be a rectangle or a square. Also, diagonals of rhombuses bisect the angles.