Penjelasan dengan langkah-langkah:
d1 = 2 x 12 = 24 cm
p = 5 cm (triple phytagoras 5, 12, 13)
q = 35 cm (triple phytagoras 12, 35, 37)
d2 = p + q
= 5 + 35 = 40 cm
L = ½ . d1 . d2
= ½ . 24 . 40
= 480 cm² (b)
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Penjelasan dengan langkah-langkah:
d1 = 2 x 12 = 24 cm
p = 5 cm (triple phytagoras 5, 12, 13)
q = 35 cm (triple phytagoras 12, 35, 37)
d2 = p + q
= 5 + 35 = 40 cm
L = ½ . d1 . d2
= ½ . 24 . 40
= 480 cm² (b)