= ½πd + d
= ½ × 22/7 × 3,5 + 3,5 dm
= 77/14 + 3,5 dm
= 5,5 + 3,5 dm
= 9 dm
@BeruangGemoy :•
½ × πd + d
= ½ × 22/7 × 3,5 + 3,5
= 22/14 × 3,5 + 3,5
= 5,5 + 3,5
Jadi, keliling setengah lingkaran tersebut adalah 9 dm
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= ½πd + d
= ½ × 22/7 × 3,5 + 3,5 dm
= 77/14 + 3,5 dm
= 5,5 + 3,5 dm
= 9 dm
@BeruangGemoy :•
½ × πd + d
= ½ × 22/7 × 3,5 + 3,5
= 22/14 × 3,5 + 3,5
= 5,5 + 3,5
= 9 dm
Jadi, keliling setengah lingkaran tersebut adalah 9 dm