45 YEARS OF TRUE RAILROAD STORIES: Told by Engineer John Cockrell

45 YEARS OF TRUE RAILROAD STORIES: Told by Engineer John Cockrell

hitunglah luas lingkaran yg di arsir?​

hitunglah luas lingkaran yg di arsir?​

Jawab:

Penjelasan dengan langkah-langkah:

L = 3/8 x [tex]\pi[/tex] x r x r

  = 3/8 x 22/7 x 14 x 14

  = 231 cm²