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√169 - 25
√144
12
d2 = 12 × 2 ⇒ 24 cm
Volume limas
1/3 × la × t
Luas alas (belah ketupat)
d1 × d2/2
10 × 24/2
10 × 12
120 cm²
Volume
1/3 × 120 × 15
120 × 5
600 cm³
Semoga membantu :)