R 70 cm Berapakah luas bangun disamping
Jawaban:
Diketahui :
r = 70 cm
π = 22/7
Ditanya :
Luas
Dijawab :
½ × 22/7 × 70²
½ × 22 × (70/7) × 70
½ × 22 × 10 × 70
7.700 cm²
Penjelasan dengan langkah-langkah:
= ½ × π × r × r
= ½ × 22/7 × 70 × 70
= ½ × 22 × 10 × 70
= ½ × 15.400
= 7.700 Cm²
![Matematika [2/10]<br />[tex]~[/tex]<br />a + b + c = 22<br />3a = c<br />a + b = 10<br />[tex] \: [/tex]<br />Isi titik-titik di bawah!<br /><br />a = ...<br />b = ...<br />c = ...](https://1.bp.blogspot.com/-FxxoZkxtk_U/WKAvV2Gd6iI/AAAAAAAACd0/UTrLC-1x23k1E0oqRLErM2XliW2XDiBlQCK4B/s1600/dif.jpg "Matematika [2/10]<br />[tex]~[/tex]<br />a + b + c = 22<br />3a = c<br />a + b = 10<br />[tex] \: [/tex]<br />Isi titik-titik di bawah!<br /><br />a = ...<br />b = ...<br />c = ...")
