Question

Hitunglah keliling bangun gabungan di atas.
sama caranya ya. makasii

Answer 1

Verified answer

Keliling Setengah Lingkaran
D = 14 cm
r = D/2
  = 14 cm / 2
  = 7 cm

K = 1/2 x 2.π.r
   = π.r
   = 22/7 x 7 cm
   = 22 cm

Keliling Bangun = 14 cm + 30 cm + 22 cm + 30 cm
                          = 96 cm