I need help I don't get this

asked Apr 16, 2022 41.1k views

8 votes

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6 votes

Answer:

$ef = 90 \\ dce = 80 + 47 + 90 = 217 \\ ed = 360 - 217 = 143$

Mgalardini answered Apr 18, 2022

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6 votes

Answer: well i don’t know but I do know that the one with the Square in it is 90°

EF=90

Step-by-step explanation:

Zibellino answered Apr 20, 2022

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