What is the mBAC=?

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1 Answer
May 14, 2018

82.1^@

Explanation:

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