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Zina [86]
2 years ago
12

In triangle DEF, if the measures of angles D and E are equal, and the measure of

Mathematics
1 answer:
emmasim [6.3K]2 years ago
6 0

Answer:

77 = m∠D  =  m∠E

Step-by-step explanation:

In a triangle the sum of the measures of the angles = 180.  So m∠D  + m∠E + m∠F = 180

Let  m∠D = m∠E = x

Then x + x + 26 = 180

2x + 26 = 180

2x = 154

x = 77 = m∠D  =  m∠E

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