sisi segitiga = 7,75 cm
rumus keliling segitiga sama sisi
K = 3 × s
K = 3 × 7,75
K = 23,25 cm
jawaban C
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= 3 x 7 3/4 cm
= 3 x 31/4 cm
= 93/4 cm
= 23 1/4 cm
Jawabannya c
sisi segitiga = 7,75 cm
rumus keliling segitiga sama sisi
K = 3 × s
K = 3 × 7,75
K = 23,25 cm
jawaban C