Jawaban:
360cm³
Penjelasan dengan langkah-langkah:
p×l = 80cm²
p×t = 45cm²
l×t = 36cm²
p×l/p×t = 80/45 (coret p dan sederhanakan 80 dgn 45)
l/t = 16/9
9l=16t
l=16/9t
l×t= 36
16/9t × t=36
16/9t²= 36
t²= 36 ÷ 16/9
t²= 36 × 9/16
t²= 20,25
t= 4,5cm
p×t= 45
p×4,5= 45
p= 45/4,5
p= 10cm
l×4,5= 36
l= 8cm
v=p×l×t
= 10×8×4,5
= 360cm³
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Jawaban:
360cm³
Penjelasan dengan langkah-langkah:
p×l = 80cm²
p×t = 45cm²
l×t = 36cm²
p×l/p×t = 80/45 (coret p dan sederhanakan 80 dgn 45)
l/t = 16/9
9l=16t
l=16/9t
l×t= 36
16/9t × t=36
16/9t²= 36
t²= 36 ÷ 16/9
t²= 36 × 9/16
t²= 20,25
t= 4,5cm
p×t= 45
p×4,5= 45
p= 45/4,5
p= 10cm
l×t= 36
l×4,5= 36
l= 8cm
v=p×l×t
= 10×8×4,5
= 360cm³