Jawaban:
30 cm
penjelasan :
➤ rumus mencari tinggi balok jika diketahui luas permukaan, panjang, dan lebar pada balok adalah
» maka :
Penjelasan dengan langkah-langkah:
Lp = 2 × (pl + pt + lt)
450 cm² = 2 × ( 15 × 10 ) + ( 15 × t ) + ( 10 × t ) cm
450 cm² = 2 × ( 150 + 15t + 10t ) cm
450 cm² = 300 cm + 50t cm
450 cm - 300 cm = 50t
150 cm = 50t
t = 150 cm ÷ 50
t =
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Jawaban:
30 cm
penjelasan :
➤ rumus mencari tinggi balok jika diketahui luas permukaan, panjang, dan lebar pada balok adalah![t = \bf \frac{Lp - 2 ( p \times l) }{2 ( p + l)} t = \bf \frac{Lp - 2 ( p \times l) }{2 ( p + l)}](https://tex.z-dn.net/?f=%20t%20%3D%20%5Cbf%20%5Cfrac%7BLp%20-%202%20%28%20p%20%5Ctimes%20l%29%20%7D%7B2%20%28%20p%20%2B%20l%29%7D%20%20%20)
» maka :
Penjelasan dengan langkah-langkah:
Lp = 2 × (pl + pt + lt)
450 cm² = 2 × ( 15 × 10 ) + ( 15 × t ) + ( 10 × t ) cm
450 cm² = 2 × ( 150 + 15t + 10t ) cm
450 cm² = 300 cm + 50t cm
450 cm - 300 cm = 50t
150 cm = 50t
t = 150 cm ÷ 50
t =![\boxed{3\:cm} \boxed{3\:cm}](https://tex.z-dn.net/?f=%5Cboxed%7B3%5C%3Acm%7D)