Matematika

Pertanyaan

Tolong dibantu soal no 5 yah
Tolong dibantu soal no 5 yah

1 Jawaban

  • lingkaran = pi x r x r
                    = 22/7 x 14 x 14
                    = 616cm²
    seper empat lingkaran = pi x r x r x 1/4
                                   = 22/7 x 14 x 14 x 1/4
                                   = 154 cm²
    616 - 154 = 462cm²
    persegi = 14 x 14 =196cm²

    =196 + 462 = 658cm²