What is the mBAC=?

Question

1147 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-05-14T18:10:29

#82.1^@#

AB=10 AD=4 and BD=6

AC=10 AE=8 and CE=2

Using triangle ADE, #(sin 28)/4=(sin AhatDE)/8#

So #8 xx (sin 28)/4=sin AhatDE#

#2xx sin 28 = sin AhatDE#

#AhatDE = sin^(-1) 0.9389431256#

#AhatDE=69.87481894#

180-28-69.9=82.1