user-avatar
ltl12122001
2 năm trước
giúp mình với ;-; Cho tam giác ABC vuông tại A, có đường cao AH. Biết HB = 64mm, HC = 81mm. Tính góc B, góc C (làm tròn đến độ) và tính AB; AC (làm tròn đến chữ số thập phân thứ hai).
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1...............is the problem of people getting fatter or overweight a.flu b cough c obesity d headache 2 Children should participate in more outdoor activities.................staying at home and watching TV all the day a. and b but c instead of d to 3 I think there aren't .... bottles of milk in the fridge.Could you buy...........in the supermarket ? a any/any b some/some c some/any d any/some 4 My friend went camping............it rained heavily last weekend a because b although c despite d so 5 Children are.....of seeing the dentist a worried b afraid c disappointed d nervous 6 I thought her new idea was absolutely............ a fascinate b to fascinate c fascinated d fascinating 7 My tooth doesn't stop hurting .I'll go and see my............... a actor b dentist c write d teacher 8 can you tell me where that....noise comes from ? a annoying b annoyed c annoy d to annoy 1 a horrible b expensive c beautiful d suitable

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