Jawab:
Penjelasan dengan langkah-langkah:
Keliling Lingkaran = π × d
= 22/7 × 42 = 132cm
Luas Layang-layang = 1/2 × d1 × d2
=1/2 × 28 × 36 = 504cm
Keliling 1/4 Lingkaran = 1/4 × (2 × π × r)
= 1/4 × (2 × 22/7 × 2,1)
= 1/4 × 13,2 = 3,3cm
Keliling 3/4 Lingkaran = 3/4 × (π × d)
= 3/4 × (22/7 × 28)
= 3/4 × 88 = 33cm
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Jawab:
Penjelasan dengan langkah-langkah:
Keliling Lingkaran = π × d
= 22/7 × 42 = 132cm
Luas Layang-layang = 1/2 × d1 × d2
=1/2 × 28 × 36 = 504cm
Keliling 1/4 Lingkaran = 1/4 × (2 × π × r)
= 1/4 × (2 × 22/7 × 2,1)
= 1/4 × 13,2 = 3,3cm
Keliling 3/4 Lingkaran = 3/4 × (π × d)
= 3/4 × (22/7 × 28)
= 3/4 × 88 = 33cm