Matematika

Pertanyaan

help me....
Thank you very much...
help me.... Thank you very much...

1 Jawaban

  • π = 22/7 = 3,14

    luas arsir
    = luas lingkaran besar - luas lingkaran kecil
    = π7² - π4²
    = 49 x 22/7 - 16 x 3,14
    = 154 - 50,24
    = 103,76 cm²

    #semoga membantu