8.2 = AC
16 = AC
AB=?
2/1 = AB/16
16 x 2= AB
32 = AB
BC=?
V3/2 = BC/32
32 x V3
_______ = BC
2
16V3 = BC
K = 16 + 32 + 16V3
= 48 + 16V3
= 16 (3 + V3) cm
L = a x t/2
= 16 x 16V3
________
2
= 128 V3 cm2
Baca Juga: Kunci Jawaban Matematika Kelas 8 SMP Halaman 91-93 Ayo Berlatih 7.3 Lingkaran, Lengkap Terbaru