since JW ≅ JV that means
5x+9 = 9x+1
solve for x and then find JV (and also JW!)
If JW=5x+9 and JV=9x+1, what is the length of JV?
Options:
5
2
19
5x+9 = 9x+1
solve for x and then find JV (and also JW!)
In the diagram, JW and JV are tangent to the circle O at points W and V, respectively. This means that the tangent line is perpendicular to the radius at the point of contact.
Given that JW = 5x + 9 and JV = 9x + 1, we can set these two expressions equal to each other because they are both tangent segments from the same point, V, to the circle.
5x + 9 = 9x + 1
Now, let's solve this equation for x.
First, we can simplify the equation by combining like terms:
9 - 1 = 9x - 5x
8 = 4x
To isolate x, we divide both sides of the equation by 4:
8/4 = x
x = 2
Now, we have found the value of x as 2. We can substitute this value into the equation of JV:
JV = 9x + 1
JV = 9(2) + 1
JV = 18 + 1
JV = 19
Therefore, the length of JV is 19.
So, the correct option is 19.