ĐỀ KIỂM TRA 15 PHÚT MÔN HÌNH HỌC 8

TR NG THCS LÊ IƯỜ ỢH và tên:…………………………ọL 8:…… BÀI KI TRA 15 PHÚTỂ Môn: Hình (Ti 41)ọ ếNgày tháng 02 năm 2018Đi mể phê th giáo, cô giáoờ ầĐ bài:ềCâu (4 đi m) ểPhát bi nh lí ng phân giác trong tam giác? ườ hình, ghi GT, KL?ẽCâu (6 đi m) ểCho tam giác ABC có ng phân giác AD.ườ a/ Tính BC? Bi AB 3cm; AC 6cm; BD 2cm. ếb/ Tam giác ABC là tam giác gì? Vì sao?Bài 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