Question

Kalo kyk gini gmn caranya ya?

Answer 1

No 2.
r = 30 cm
L = 60/360 × 3,14 × 30^2 = 471 cm persegi
keliling = 60/360 × 3,14 × 2 × 30 + 2×30 =
91,4 cm

Answer 2

60 per 360 x pi x r x r
seperenam x 3,14 x 30 x 30
seperenam x 2826
= 471