Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
dien tch tu giac la :
48:3=16 (cm2)
dap so 16 cm2
dung 99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%
15cm bạn àh 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%
giúp mk bài này với các bạn ơi!!!!!
help me !!!!!
S QCB là : 48:4=12.Vì đáy QCB bằng 1/4 đáy ABC S ABQ là : 48‐12=36 cm2 S MBQ là : 36:4=9 cm2 .Vì đáy cũng bằng 1/4 đáy ABC S AMQ là : 36‐9=27 cm2 S MNQ là : 27:3=9 cm2 .Vì đáy của MNQ bằng 1/3 đáy của AMQ S AMQ là : 27‐9=18 cm2 S MPQ là : 18:3=6 cm2 .Vì đáy cũng bằng 1/3. Vậy S MNPQ là : 9+6=15 cm2