Question

Angle ADC measures 60° and angle BDC measures 30°. What is the distance between the points A and B on the flagpole?

Answer 1

@surjithayer

Answer 2

\[\frac{ AC }{DC }=\tan 60=\sqrt{3} ,\]
\[AC=DC \sqrt{3}=10\sqrt{3}*\sqrt{3}=30\] ...(1)
\[\frac{ BC }{DC }=\tan 30=\frac{ 1 }{\sqrt{3} }\]
\[BC=\frac{ 1 }{3 }DC=\frac{ 1 }{ \sqrt{3} }*10\sqrt{3}=10\]
AB=AC-BC=?