Jawab:
Penjelasan dengan langkah-langkah:
misal titik O = titik rumah
A = titik tinggi rumah
B = titk awal amir berdiri
C = titik amir setelah bergeser 4 m
tan60 = OA/OB
OA = OB.tan60
OA = √3OB
tan45 = OA/OC
1 = OA/(OB+BC)
OA = OB+BC
√3OB = OB+4
(√3-1)OB = 4
OB = 4/(√3-1)
tinggi rumah = OA
= √3OB
= 4√3/(√3-1) * (√3+1)/(√3+1)
= 2√3(√3+1)
= 6+2√3 m
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Jawab:
Penjelasan dengan langkah-langkah:
misal titik O = titik rumah
A = titik tinggi rumah
B = titk awal amir berdiri
C = titik amir setelah bergeser 4 m
tan60 = OA/OB
OA = OB.tan60
OA = √3OB
tan45 = OA/OC
1 = OA/(OB+BC)
OA = OB+BC
√3OB = OB+4
(√3-1)OB = 4
OB = 4/(√3-1)
tinggi rumah = OA
= √3OB
= 4√3/(√3-1) * (√3+1)/(√3+1)
= 2√3(√3+1)
= 6+2√3 m