23 cm²
Penjelasan dengan langkah-langkah:
p = (5 + √2) cm
l = (5 - √2) cm
L = p x l
= (5 + √2)(5 - √2)
= 25 - 5√2 + 5√2 - 2
= 23 cm²
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23 cm²
Penjelasan dengan langkah-langkah:
p = (5 + √2) cm
l = (5 - √2) cm
L = p x l
= (5 + √2)(5 - √2)
= 25 - 5√2 + 5√2 - 2
= 23 cm²