cho tam giác ABC cân tại A . Nội tiếp đường tròn tâm O . Đường cao AH cắt đường tròn tâm D 1)Chứng minh AD là đường kính 2)Chứng minh AB *AC= AH*AD 3)Cho BC=24,AC=20 .Tính AH,EM Vẽ hình đầy đủ ra nha=))

Choose the best answer.

I think you should buy _____  pack of mineral water instead. And you can also buy _____  snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ______  cookies and soft candies.

Choose the best answer.

We should decorate our living room with _____ orange banner. We also need ________  ribbons, balloons, party hats and costume.

Choose the best answer.

I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.