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24-12-2020
Mathematics

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In the diagram below of triangle ABC, DE is parallel to AC. IF AD = 20, DB = 10 and AC = 33, find DE.

In the diagram below of triangle ABC DE is parallel to AC IF AD 20 DB 10 and AC 33 find DE class=

Respuesta :

99052232 99052232

24-12-2020

Answer:

11

Step-by-step explanation:

It's proportions my son.

x / 33 = 10 / 30

It's 10/ 30 because the whole BA is 30 in total

Then cross multiply.

30x = 330

x = 11

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