1000 places to see before you die (Chinese Edition)

1000 places to see before you die (Chinese Edition)

Matematika jika panjang ab = 12 akar 3, tentukanlah panjang bc​

jika panjang ab = 12 akar 3, tentukanlah panjang bc​

jika panjang ab = 12√3, tentukanlah panjang bc

jawab :

2x² = (12√3)² + x²

4x² = ( 12√3 . 12√3 ) + x²

4x² = 144 × 3 + x²

4x² = 432 + x²

4x² = 432 + 1x²

( 4 - 1 )x² = 432

3x² = 432

x² = 432/3

x² = 144

x = √144

x = √12²

x = 12 cm

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