giải tam giác vuông sau

a) tam giác IGH vuông tại G, IH=12 cm và góc I bằng 35o

b) tam giác MNP vuông tại M, MP = 24cm, góc P = 60o

   viết lại câu:

1. We spend one hour repainting our room
⇨ It
2. Let’s go for some drinks tonight
=>Why
=>What
3. Minh hasn’t played the piano for 2 years
=>The last time
=> Minh last
4. This is the first time we have conducted such difficult test in the village
=>We haven’t
5.My mother hasn’t cooked meals since last week
=>My mother last
=>It is