6. Diketahui:
utara = 11 km
barat = 9 km
Ditanyakan:
jarak awal
Jawab:
jarak = √(11²+9²)
= √(121+81)
= √202 km (C)
7. Diketahui:
P = 30°
R= 60°
SQ = 3 cm
PR
tan60° = SQ/SR
√3 = 3 cm/SR
SR = 3/√3 cm
SR = 3/3 √3 cm
SR = √3 cm
tan30° = SQ/SP
1/3 √3 = 3 cm/SP
SP = 3. 3/√3 cm
SP = 9/√3 cm
SP = 9/3 √3 cm
SP = 3√3 cm
PR = SR+SP
= √3 + 3√3
= 4√3 cm (C)
Mapel: Matematika
Kelas: 10
Materi: Trigonometri
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Verified answer
6. Diketahui:
utara = 11 km
barat = 9 km
Ditanyakan:
jarak awal
Jawab:
jarak = √(11²+9²)
= √(121+81)
= √202 km (C)
7. Diketahui:
P = 30°
R= 60°
SQ = 3 cm
Ditanyakan:
PR
Jawab:
tan60° = SQ/SR
√3 = 3 cm/SR
SR = 3/√3 cm
SR = 3/3 √3 cm
SR = √3 cm
tan30° = SQ/SP
1/3 √3 = 3 cm/SP
SP = 3. 3/√3 cm
SP = 9/√3 cm
SP = 9/3 √3 cm
SP = 3√3 cm
PR = SR+SP
= √3 + 3√3
= 4√3 cm (C)
Mapel: Matematika
Kelas: 10
Materi: Trigonometri