Gunakan phytagoras :
BC² + AB² = AC²
BC² + 18² = 30²
BC² = 30² -18²
BC² = (30 -18) (30 + 18)
BC² = 12 × 48
BC² = 576
BC = 24
Penjelasan dengan langkah-langkah:
☆Brainlybachelor7
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Gunakan phytagoras :
BC² + AB² = AC²
BC² + 18² = 30²
BC² = 30² -18²
BC² = (30 -18) (30 + 18)
BC² = 12 × 48
BC² = 576
BC = 24
(d) 24 cm
Penjelasan dengan langkah-langkah:
☆Brainlybachelor7