If the triangles are similar, then the sides are proportionate and the bases are as well. Set up the proportion like this, with side lengths on top and base lengths on bottom:

. Cross multiply to get 4x = 60. That means that x = 20.
The least common multiple of each is 120
Answer:
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Step-by-step explanation:
................thanks.......
-11-(-7)
-11+7
Your answer is -4