Answer:
Step-by-step explanation:
Assuming 
and 
are vectors, their dot product is 
where 
:
Therefore,
This you answer x=-1/5y+-4/5
http://www.mathpapa.com/algebra-calculator.html
since the length and width are the same, it is actually a square
area of a square is S^2
sqrt(128) = 11.3137
round off as needed
Answer:
531441
Step-by-step explanation:
Answer:
1. right triangle - a triangle with one angle that measures 90 degrees
2.radius- a line segment from the center of a circle to any point on the circle
3. ray- a part of a line that has 1 endpoint that goes in one direction forever
4. rotational symmetry- a property that allows a figure to be rotated less than 360 degrees and still look the same
5. regular polygon- a polygon whose sides are all the same lengths and whose angles are the same measure
6. reflection- a transformation in which a figure is flipped across a line to give a mirror image of the original figure
Step-by-step explanation:
