~Jawab~
• Ketahui panjang CE:
CE = √(BC² - BE²)
CE = √(10² - 6²)
CE = √64
CE = 8 cm
• Sehingga, nilai BF:
L1 = L2
a × t = a × t
AD × BF = AB × CE
10 × BF = 9 × 8
10BF = 72
BF = 72/10
BF = 7 2/10 = 7 1/5 cm
∴ Jawaban: A.
Tandai sebagai jawaban tercerdas ya jika berkenan! thanks:)
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~Jawab~
Bangun Datar
• Ketahui panjang CE:
CE = √(BC² - BE²)
CE = √(10² - 6²)
CE = √64
CE = 8 cm
• Sehingga, nilai BF:
L1 = L2
a × t = a × t
AD × BF = AB × CE
10 × BF = 9 × 8
10BF = 72
BF = 72/10
BF = 7 2/10 = 7 1/5 cm
∴ Jawaban: A.
Tandai sebagai jawaban tercerdas ya jika berkenan! thanks:)