Triangle XYZ below is an isosceles triangle with legs and . and are perpendicular bisectors of triangle XYZ. Find the length of segment if QR = ½ x and QS = - ½ x + 4.

There is missing data.

To find the length of segment QR, we need to use the information given about the perpendicular bisectors of triangle XYZ.

First, let's start by understanding the concept of the perpendicular bisector. A perpendicular bisector is a line that cuts a line segment into two equal halves while forming a right angle with it.

In this case, segment QR is bisected by line QS, which is a perpendicular bisector. The length of segment QR is given by the difference between the lengths of the two halves:

QR = QS - SR

Where SR represents the length of the other half of segment QR.

We know that QS = -½x + 4. However, we don't have direct information about SR. To find SR, we need to use the fact that the perpendicular bisector also bisects segment XY.

Since segment XY is isosceles, it means that the perpendicular bisector SR divides XY into two equal halves. Therefore, SR must have the same length as QS.

SR = QS = -½x + 4

Now, we can substitute this value back into the equation for QR:

QR = QS - SR = (-½x + 4) - (-½x + 4)

Simplifying further:

QR = -½x + 4 + ½x - 4

The constants cancel out, leaving:

QR = 0

Therefore, the length of segment QR is 0 units.