Kunci Jawaban Matematika Kelas 8 Halaman 118 – 120 Uji Kompetensi 7 Esai Lengkap Terbaru 2022

K = K O + (4 x 5 cm)

= π. D + 20 cm

= 314/100 . 10 cm + 20 cm

= 31, 4 cm + 20 cm

= 51,4 cm

L = L persegi + L ½ O

= (10 cm x 10 cm) + ½ πr²

= 100 cm² + ½ . 314/100. 5 cm. 5cm

= 100 cm² + 39, 25 cm²

= 139, 25 cm²