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umka2103 [35]
3 years ago
14

Hellllllllllllllllllppp please!????????

Mathematics
2 answers:
inn [45]3 years ago
7 0

Answer:

28

Step-by-step explanation:

Each one is dilated by 4.

=> 7 x 4 = 28

Sergio [31]3 years ago
3 0

Answer:

BC = 28

Step-by-step explanation:

Since the triangles are similar then the ratios of corresponding sides are in proportion, that is

\frac{BC}{EF} = \frac{AB}{DE} ( substitute values )

\frac{BC}{7} = \frac{16}{4} = 4 ( multiply both sides by 7 to clear the fraction )

BC = 4 × 7 = 28

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