The sign used for "at least" is "greater than or equal to".
It looks like this :

Here is an example :

Can be shown like this :

.
Given <span>vu=st, sv=tu
</span>STUV is a parallelogram : If both pairs of opp. sides of a quad. are , then the quad is a parallelogram.
VX, XT = The diagonals of a parallelogram bisect each other.
2 straight lines that never cross each other
Answer: It's B
Step-by-step explanation:
Answer:
sec(60) = 2
Step-by-step explanation:
sec(theta) = 1/cos(theta)
theta = 60o
cos(60) = 1/2 = 0.5
sec(theta) = 1/0.5 = 2