K = 2 x 44 = 88 cm
Bangun 2
Luas = Luas persegi – Luas Lingkaran
L = 14² – ( π × r × r)
L = 196 cm² + 22/7 x 7 x 7
L = 196 – 154 = 42 cm²
Keliling = Keliling persegi + keliling lingkaran
K = (4 x 14) + (2 × π × r)
K = 56 cm + (2 x 22/7 x 7)
K = 56 + 44 cm = 100 cm