Answer:
(1,-4) is in quadrant IV.
Step-by-step explanation:
48.8 cm2 that is the answer I got
25,*55**3,552
*is the digit in the hundred thousand place
**is the digit that has 1/1000 the value of the digit.
(*) indicates the number after the *.
I doubled check this work, but I will update comment with a triple check
Answer: are they asking for the answer of the dotted line? If so, it might be 5 since it's the dotted line is opposing the side labeled 5cm.
Hope this helps:)
Step-by-step explanation:
Answer:

Or

Step-by-step explanation:
We want to find the angle which forms a y-coordinate of 
on the unit circle.
The y-coordinate on the unit circle is given by
.
This implies that 



Or
