Jawaban:
C. k=12cm+12cm+17cm+(√12²+5²)
=12cm+12cm+17cm+√169
=12cm+12cm+17cm+13cm
=5cm
D. k=2×(√5²+12²)+2×(√16²+12²
=2×√169+2×√400
=2×13cm+2+20cm
=26cm+40cm
=66cm
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Jawaban:
C. k=12cm+12cm+17cm+(√12²+5²)
=12cm+12cm+17cm+√169
=12cm+12cm+17cm+13cm
=5cm
D. k=2×(√5²+12²)+2×(√16²+12²
=2×√169+2×√400
=2×13cm+2+20cm
=26cm+40cm
=66cm