Question

solve this question plz plz plz plz

Answer 1

https://youtu.be/MEol99ohgWk  In the figure AB represent the height of mountain. In ∆oce , sin30° = CE/OC 1/2 = CE/1000 So, CE=500.  Again, Cos30° = OE/OC ✓3/2 = OE/1000 So, OE = 500√3.  In ∆AOB, Tan45° = AB/OA So AB=OA  Hence, CD=EA=OA-OE = h-500√3.  BD=AB-AD=AB-CE=h-500.  In∆BCD,. Tan60° = BD/CD √3 = h-500/h-500√3  So.... H = 1366 m = 1.366km