A teacher has a bag of 100 unit cubes. She gives a equal number of cubes to each of the 7 groups in her class. She gives each gr
1 answer:
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Answer:
? = 3
Step-by-step explanation:
given a line parallel to a side of the triangle and intersecting the other 2 sides, then it divides those sides proportionally , that is
=
( cross- multiply )
4? = 12 ( divide both sides by 4 )
? = 3
