A boy standing on the ground

A boy standing on the ground 12. From the top ofa lighthouse he:ght 200 feet. the lighthouse keeper and along th. same line of Sight . The angles of depression for the B.arze ¯ and respectively. For safety purposes the two sea be 300 feet apart. If they are less than 300 feet . the keeper has alarm Does have to sound the alarrm? _ sz.anQr.g ground spots balloon mo"ing with the wind in a a coc:s.üzt - •zee elevznon of the balloon from the boy at SOP. Afie 2 minutes. iron the same point of observation-the angle 30'. If:he speed is 29%' 3 mmin. then. find the height of b A highway to the foot of a tower . A man standing on the a vn an of upression of 30'- The is approaching a Aha 6 mimes. angle of of the ts f,' •y mc•re mmu:zs *711 it take for the van to reach the tower? of cf artificial earth satellite is frcxn two ear! of ze ford to 3(Ynå 60'. ear ze the '.

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A boy standing on the ground
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