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½ × d1 ×d2
336 = ½ × 14 × d2
336 × 2 = 14 × d2
672 = 14 × d2
d2 = 672 /14
d2 = 48cm
Klilingnya =
s + s + s + s = 4s
s² = 7² + 24²
= 49 + 576
s = √ 625 = 25
K = 4 ( 25 ) = 100cm
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