I assume by the length you mean height so,

≈ <span>4.54
.
if you're supposed to round it, it'd be either 4.50, or 5
</span>
I hope this helps
Answer:
sorry, I think yr question is incomplete.
I think the answer is the second one. A reflection over the x-axis and the a 90° counterclockwise rotation about the origin.
Arctan(53/22) = 67.5 degrees
Answer:
If you're asking what cosine 3 is it's 0.9999986292247
Step-by-step explanation:
I don't really understand the question