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maria [59]
3 years ago
12

Help will give Brainly points due in a hour!!

Mathematics
2 answers:
blondinia [14]3 years ago
4 0

you can compare the length of sides of both the triangles...

Gwar [14]3 years ago
3 0

Answer:

see explanation

Step-by-step explanation:

We can show that Δ ABC and Δ DEF are similar by the SSS postulate

If the ratios of the 3 pairs of corresponding sides are equal , then the triangles are similar.

\frac{AB}{DE} = \frac{4}{6} = \frac{2}{3}

\frac{AC}{DF} = \frac{8}{12} = \frac{2}{3}

\frac{BC}{EF } = \frac{5}{7.5} = \frac{2}{3}

Then by the SSS postulate the triangles are similar

Since the triangles are similar then corresponding angles are congruent, so

∠ D = ∠ A

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