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qaws [65]
3 years ago
13

Can someone help me please!!?

Mathematics
1 answer:
ankoles [38]3 years ago
4 0

Answer:

AB = 21

Step-by-step explanation:

the line EB is parallel to the side of the triangle DC and intersects the other 2 sides proportionally , that is

\frac{AE}{ED} = \frac{AB}{BC} ( substitute values )

\frac{14}{12} = \frac{AB}{18} ( cross- multiply )

12 AB = 14 × 18 = 252 ( divide both sides by 12 )

AB = 21

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