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Andrews [41]
3 years ago
9

What is the measure for ECD

Mathematics
1 answer:
Nostrana [21]3 years ago
7 0

Answer:

118

Step-by-step explanation:

a triangle is 180 degrease and two sides that are equal to each other which means the angles across from them have the same thing.

so. 180-31-31=118

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