Jawapan

  • Pengguna Brainly
2015-09-06T18:08:50+08:00
10 1/2 x 5 1/2
= 21/2 x 11/2
= 231/4
231/4 x (2 1/2)^3
= 231/4 x (5/2)^3
= 231/4 x (125/8)
= 28875/32
= 902.34375