user-avatar
2777469112521275
2 năm trước
viết gt, kl cho đề sau (ko cần giải đâu): cho góc `xOy` có số đo `50^o`, điểm `A` nằm trong góc đó. vẽ điểm `B` đối xứng với `A` qua `Ox`, vẽ điểm `C` đối xứng với A qua `Oy` a) so sánh các độ dài OB và OC b) tính số đo góc `BOC`
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

I. Supply the correct word form 1. He………………………to Australia when he was young. (emigration) 2.There was still no…… ……………..on what to do next. (agree) 3.HCM city is an important……… ………………center. (commerce) 4.There was an…………………of paintings at Art Gallery last week. (exhibit) 5.This old man is…… ………….in one ear. (deafen) 6.Thomas Watson was Bell’s……… ………………., wasn’t he? (assist) 7.We …………………… a survey of consumer attitudes towards organic food last week. (conduction) 8.Alexandra Graham Bell ……… ……….(success) demonstrated his………… …….(invent) to the public. 9.Thanks for the……………………to your birthday party. (invite) 10.They make all the…… ……………….for the party. (arrange) 11.The principal is giving a short…………………..at the moment. (speak) 12.He told this fairy tale to his daughter…… …………….times but she still loved it. (count) 13.They get two………………..of mail a day. (deliver) 14.The company employed several……………… (emigrate)

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team