DemitiAfrorii DemitiAfrorii

17-11-2016
Mathematics

contestada

Find the length of DE if triangle ABC is congruent to triangle DEF. Side AB is 3x-6, side DE is x+8 and side EF is 2x+7.

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Аноним Аноним

17-11-2016

because ABC is congruent to triangle DEF then

AB = DE

3x - 6 = x +8
3x -x = 8 + 6
2x =14
x = 7

DE = x + 8 = 7 + 8 =15

Answer:
length of DE = 15

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mcpmebe mcpmebe

09-02-2022

Answer:

6

Step-by-step explanation:

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