In Triangle XYZ, A is the midpoint of XY, B is the midpoint of YZ, and C is the midpoint of XZ.Also, AY = 7. BZ = 8, and XZ = 18. What is the perimeter of Triangle ABC? Explain.
Mathematics · Middle School · Thu Feb 04 2021
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Find XY
AY=AX or AY + AX = XY
AY = 7
AX = 7
XY = AY + AX
XY = 7 + 7
XY = 14
Find YZ
BZ = BY or BZ + BY = YZ
BY = 8
BZ = 8
YZ = BY + BZ
YZ = 8 + 8
YZ = 16
Calculate the perimeter
Perimeter = XY + YZ + XZ
Perimeter = 14 + 16 + 18
Perimeter = 48
Therefore, the perimeter is 48.