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Find AB if BC is 20 and AD is 24
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Find AB if BC is 20 and AD is 24

Find AB if BC is 20 and AD is 24-example-1
User Thomanil
by
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1 Answer

4 votes
4 votes

BC = 20

If < B = 67

Then

Th using the sine rule


\frac{\sin\text{ 67}}{AB}=(\sin 46)/(20)

cross -multiply


AB\text{ sin 46=20sin67}

Divide both-side of the equation by sin46


AB\text{ =}(20\sin 67)/(\sin 46)
AB\approx25.59

User Chiggins
by
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