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Please help out explanation need it

Please help out explanation need it
asked 92.6k views
3 votes
Please help out explanation need it

Please help out explanation need it-example-1
asked
User Geoaxis
by
7.2k points

1 Answer

5 votes

Answer:

SinA= BC/AC=20/55

SinA=4/11

A=Sin^-1(4/11)

A=Sin^-1(0.36)

LA=21.1 ← ans

OAmalOHopeO

answered
User Zev Spitz
by
7.4k points
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