Baca tanpa iklan
L = (2 x 22/7 x 7 x 7) + 142
L = (2 x 154) + 196 cm2
L = 308 cm2 + 196 cm2
L = 504 cm2
Keliling = 2 x keliling lingkaran
K = 2 x (2 × p × r)
K = 2 x 2 x 22/7 x 7
K = 2 x 44
BERITA REKOMENDASI
K = 88 cm
Bangun 2
Luas = Luas persegi - Luas Lingkaran
L = 14^2 - ( p × r × r)
L = 196 cm2 + 22/7 x 7 x 7
L = 196 - 154