Jawaban :
no. 7 = 384 cm³
Penjelasan :
no.7
mencari luas alas :
misalkan tinggi segitiga = t
maka t = akar(20² - 12²)
t = akar(400-144)
t = akar(256)
t = 16
maka L.alas : 1/2 × 12 × 16 = 96 cm²
Volume : L.alas × Tinggi prisma
V = 96 × 4
V = 384 cm³
no 8 ga jelas ptonya
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Jawaban :
no. 7 = 384 cm³
Penjelasan :
no.7
mencari luas alas :
misalkan tinggi segitiga = t
maka t = akar(20² - 12²)
t = akar(400-144)
t = akar(256)
t = 16
maka L.alas : 1/2 × 12 × 16 = 96 cm²
Volume : L.alas × Tinggi prisma
V = 96 × 4
V = 384 cm³
no 8 ga jelas ptonya