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8 votes
I need help I don't get this

I need help I don't get this-example-1
User SebaGra
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2 Answers

6 votes

Answer:


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

User Mgalardini
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6.4k points
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:

User Zibellino
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