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= ½ × 2 π r
= π r
= 22/7 × 3,5
= 11 cm
Keliling persegi panjang
= 2 ( panjang + lebar )
= 2(10+7)
= 2(17)
= 34 cm
Luas daerah
= 34 - 11
= 23 cm ✔
-MathLovers
= 1/2 × π × d
= 1/2 × 22/7 × 7 cm
= 11 cm
Keliling Persegi
= AB + BC + CD + AD
= 7 cm + 10 cm + 10 cm + 7 cm
= 34 cm
Keliling Total = Keliling Persegi - Keliling Lingkaran
= 34 cm - 11 cm
= 23 cm
~CMIIW
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