Keliling nya bangun ini brp?
sisi persegi : 16 cm
alas segitiga : 16 × 2 = 32 cm
sisi miring segitiga 20 cm
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Keliling persegi~
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K = 4 × s
K = 4 × 16
K = 64 cm
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Keliling segitiga~
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K = a + b + c
K = 32 + 20 + 20
K = 52 + 20
K = 72 cm
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Keliling gabungan~
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K = 64 + 72
K = 136 cm
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