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<D = 360-267 = 93
24) 314= 3,14 x d
d = 314 / 3,14 = 100
r = 50 cm
Luas= 3,14 x 2500 = 7850cm2
25) jajargenjang
26)diagonal ruang= 6√3
s = 6
Luas kubus = 6 x 6 x 6 = 216 cm2