Question

From Height and Distance Mathematics Problem :
From the top of a Cliff 92 m high , the angle of depression of a buoy is 20° Calculate to the nearest metre the distance of a buoy from the foot of the cliff.

Answer 1

angle 20   

Oh ! Tôi nghĩ rằng giá trị đó là trong 30 độ

okay !!! 92/ CB = 36 / 100

9200 = 36 BC

9200/36 = 255.5 m

---------------------------------------- #Aion-13 --------------------------------------------