jawab pertanyaan gambar A.

Keliling Persegi = 4 × s = 4 × 14 = 56 cm²
keliling 1/2 lingkaran = 1/2 × 22/7 × 14 = 1/2 × 44 = 22 cm²
jumlah = 56 + 22 = 78 cm²

Luas persegi = 14 × 14 = 196 cm²
luas 1/2 lingkaran = 22/7 × 7 × 7 × 1/2 = 77 cm²
jumlah = 196 + 77 = 273 cm²