Math  /  Geometry

QuestionFind the value of cc and YZY Z if YY is between XX and ZZ. XY=11,YZ=4c,XZ=83c=\begin{array}{l} X Y=11, Y Z=4 c, X Z=83 \\ c= \end{array} \square YZ=Y Z= \square

Studdy Solution

STEP 1

1. Point Y Y is between points X X and Z Z on a line segment.
2. The length of XY XY is 11 11 .
3. The length of YZ YZ is 4c 4c .
4. The total length of XZ XZ is 83 83 .

STEP 2

1. Set up the equation for the total length of the segment XZ XZ .
2. Solve for c c .
3. Calculate YZ YZ .

STEP 3

Set up the equation for the total length of the segment XZ XZ :
Since Y Y is between X X and Z Z , we have:
XY+YZ=XZ XY + YZ = XZ
Substitute the given values:
11+4c=83 11 + 4c = 83

STEP 4

Solve for c c :
Subtract 11 11 from both sides of the equation:
4c=8311 4c = 83 - 11
4c=72 4c = 72
Divide both sides by 4 4 :
c=724 c = \frac{72}{4}
c=18 c = 18

STEP 5

Calculate YZ YZ :
Substitute the value of c c into the expression for YZ YZ :
YZ=4c YZ = 4c
YZ=4×18 YZ = 4 \times 18
YZ=72 YZ = 72
The value of c c is:
18 \boxed{18}
The length of YZ YZ is:
72 \boxed{72}

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