seorang anak melihat puncak gedung pada jarak 10 m. sudut antara arah pandang mata dan garis horizontal 60 derajat, tinggi mata anak 1,5 m dari tanah. hitung tinggi gedung
Answers
Answer:
10 m
Step-by-step explanation:
duh
Height of building from Ground = 18.83 m , Ketinggian bangunan dari Tanah = 18,83 m
Step-by-step explanation:
A child sees the top of a building at a distance of 10 m. the angle between the eye's view and the horizontal line 60 degrees, the child's eye height is 1.5 m from the ground calculate the height of the building
Height of building from Ground = H m
Tan 60 = (H - 1.5)/10
√3 = (H - 1.5)/10
=> H - 1.5 = 10√3
=> H - 1.5 = 17.32
=> H = 18.83
Height of building from Ground = 18.83 m
Ketinggian bangunan dari Tanah = H m
Tan 60 = (H - 1.5) / 10
√3 = (H - 1.5) / 10
=> H - 1.5 = 10√3
=> H - 1.5 = 17.32
=> H = 18.83
Ketinggian bangunan dari Tanah = 18,83 m
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