Perhatikan gambar berikut! Isilah titik di bawah ini jika: π=722.

Pertanyaan

Perhatikan gambar berikut!

Isilah titik di bawah ini jika: $\style{font-size:14px}{\mathrm\pi=\frac{22}7}$ .

D. Entry

Master Teacher

Jawaban terverifikasi

Pembahasan

Diameter Lingkaran

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row d equals cell 2 r end cell row blank equals cell 2 times 7 end cell row blank equals cell 14 space cm end cell end table end style

Luas Lingkaran

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row straight L equals cell straight pi r squared end cell row blank equals cell 22 over 7 times 7 times 7 end cell row blank equals cell 154 space cm squared end cell end table end style

Keliling Lingkaran

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row straight K equals cell 2 straight pi r end cell row blank equals cell 2 times 22 over 7 times 7 end cell row blank equals cell 44 space cm end cell end table end style