Jawab:
Penjelasan dengan langkah-langkah:
r = 28/2 = 14
Keliling = (2 × keliling ½ lingkaran) + (2 × 40)
Keliling = (2 x ½ x 2 x (22/7) x 14) + (2 × 40)
Keliling = (2 × 22× 2) + (2 × 40)
Keliling = 88 + 80
Keliling = 168 cm
Luas = Luas lingkaran + Luas persegi panjang
Luas = ((22/7) × 14 × 14) + (40 × 28)
Luas = (22 × 2 × 14) + (40 × 28)
Luas = 616 + 1120
Luas = 1736 cm²
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Verified answer
Jawab:
Penjelasan dengan langkah-langkah:
r = 28/2 = 14
Keliling = (2 × keliling ½ lingkaran) + (2 × 40)
Keliling = (2 x ½ x 2 x (22/7) x 14) + (2 × 40)
Keliling = (2 × 22× 2) + (2 × 40)
Keliling = 88 + 80
Keliling = 168 cm
Luas = Luas lingkaran + Luas persegi panjang
Luas = ((22/7) × 14 × 14) + (40 × 28)
Luas = (22 × 2 × 14) + (40 × 28)
Luas = 616 + 1120
Luas = 1736 cm²