Tolong sertakan caranya no 11- 13

11. 22/7 x 84 x 60/360 = 44 cm
12. V kubus = s³ = (2,2)³ = 10,648 m³
13. LP kubus = 6s² = 6.30.30 = 5400 cm²

11.
Panjang busur AB
= AOB / 360 x keliling lingkaran
= 60 / 360 x 22/7 x 42 x 2
= 1/6 x 264
= 44 cm
jawaban : d

12.
Volume
= s x s x s
= 2,2 x 2,2 x 2,2
= 10,648 m^3

jawaban : b

13.
Luas kado
= 6 x 30^2
= 6 x 900
= 5400 cm^2
jawban : a