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il63 [147K]
3 years ago
10

Please help will mark Brainliest

Mathematics
1 answer:
alekssr [168]3 years ago
6 0

Answer:

It i s 6

Step-by-step explanation:

Very six

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Answer:

see below

Step-by-step explanation:

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Angle A = Angle E parallel lines cut by a transversal form congruent alternate interior angles

Angle B = Angle D parallel lines cut by a transversal form congruent alternate interior angles

When all three angles are equal, the triangles are similar.

We can use ratios to find DE

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------- = ----------

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DE         8

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Using cross products

10 DE = 8*12

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Divide by 10

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