asked 120k views
2 votes
Can someone help me with this

Can someone help me with this-example-1
asked
User Jumaane
by
8.2k points

1 Answer

7 votes
Call BEC x.
BEC and BED are complementary, so
45+x=90
X=45
BEC=45 degrees
answered
User Gines
by
8.4k points

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