halo kak tolong dijawab sama caranya ya
Lp = Οr (r + s)
= 22/7 × 7 cm (7 cm + 25 cm)
= 22 cm (32 cm)
= 704 cm²
s = 25 cm
r = 7 cm
phi = 22/7
L pk = L a + L sk
L pk = (phi × r × r) + (phi × r × s)
L pk = (phi × r) × (r + s)
L pk = (22/7 × 7) × (7 + 25)
L pk = 22 × 32
L pk = 704 cm^2 (D)
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