Download - Group 4 trigonometry
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MAKTAB KEJURUTERAAN JEFRI BOLKIAH
TRIGONOMETRY CLINOMETER
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CONTENTSClinometerObjective Formulae
Calculation1. Ahmad2. Aniyah
3. Rahman4. Hazwan
Comparison
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CLINOMETERWhat is clinometer?Things used:-
1. Drinking straw2. Tape 3. Protractor4. String5. Mass( 5 to 10 gram)
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OBJECTIVE To measure the height of a real-life structure
Light
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FORMULAE
Hypotenuse(Hyp)
Adjacent(Adj)
Opposite(Opp)
Tan X° = Opp Adj
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CALCULATION
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AHMADAngle = 48ºDistance = 439 cmEye level = 152 cm
Tan 48° = 439 Adj
Adj = 439 Tan 48º
= 395.28 cm
Therefore: total height = 395.28 +152 = 547.28 cm
Eye Level
(height)
Distance
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ANIYAH
Eye Level
(height)
Distance
Angle = 40ºDistance = 340 cmEye level = 142 cm
Tan 40° = 340 Adj
Adj = 340 Tan 40º
= 405.20 cm
Therefore: total height = 405.20 +142 = 547.20 cm
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RAHMAN
Eye Level
(height)
Distance
Angle = 33ºDistance = 254 cmEye level = 156 cm
Tan 33° = 254 Adj
Adj = 254 Tan 33º
= 391.12 cm
Therefore: total height = 391.12 +156 = 547.12 cm
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HAZWAN
Eye Level
(height)
Distance
Angle = 28ºDistance = 208 cmEye level = 156 cm
Tan 28° = 208 Adj
Adj = 208 Tan 28º
= 391.19 cm
Therefore: total height = 391.19 +156 = 547.19 cm
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COMPARISON
439 254340
208
Heig
ht
of
the
Lig
ht
Distance
Ahmad HazwanRahmanAniyah
Total Height = 5.47m