The two triangles below are similar. What is the perimeter of triangle XYZ?
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Answer:
24 units
Step-by-step explanation:
create a proportion:
15/20 = 6/XY
cross-multiply:
15·XY = 120
XY = 8
15/25 = 6/YZ
cross-multiply:
15·YZ = 150
YZ = 10
Perimeter:
6 + 8 + 10 = 24