Answer:
20 km?
Step-by-step explanation:
Answer:
or 
Step-by-step explanation:
The formula for finding the any side of the triangle is

We know that a=2 and c=11, so we can go ahead and plug those into the formula.


To find side b, we have to make it alone on one side. Subtract 4 on both side.

Now square root both sides, and that leaves us with:
or 
Answer:
1
1
2
im sure you know what this means
Step-by-step explanation:
Answer:
y=-5x-3
Step-by-step explanation:
Slope: -5/1 =-5
Y2-Y1/X2-X1=2-7/1-2=-5/1
Y-intercept: -3
Decrease
The exterior angles of a polygon add up to 360 degrees, so the measure of each exterior angle of an n-sided regular polygon is given by 360/n. As n increases, 360/n will decrease.