L = 20 × 20 + 15 + 10 = 400 + 25 = 425 ( A. )
#semoga membantu
#maaf kalo salah
jadi jawabannya yg A.)425 cm²
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L = 20 × 20 + 15 + 10 = 400 + 25 = 425 ( A. )
#semoga membantu
#maaf kalo salah
jadi jawabannya yg A.)425 cm²