Matematika

Pertanyaan

462cm^2=22/7×r^2×3/4

1 Jawaban

  • 462=22/7 x r^2 x 3/4
    462=66/28 x r^2
    462 : 66/28 = r^2
    462 x 28/66 = r^2
    12936/66 = r^2
    196 = r^2
    r = 14

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