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Triangle ABC is congruent to triangle DFE. Find y.

Triangle ABC is congruent to triangle DFE. Find y.-example-1
User Ingusmat
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1 Answer

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Angles D and A are equal (from the statement bc the name of triangle starts with A and D)

Now set an equation of the angles so
45 = 5y -10

Add 10 on both sides

55 = 5y
divide by 5

y = 11
User CTABUYO
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