equilateral roof (其跨度和椽子形成一等边三角形) 等角屋顶 tilt head (三角架上的) 倾斜头 topset bed (三角洲的) 顶积层 Malgaigne fossa (颈动脉上三角) 马耳盖尼氏窝 gang operated(双联,三联) 同轴操作 intermediate axle (三轴汽车的) 中间轴 interlocking angle (三镜摄影机) 锁角 specialty of suppl...
Suppose the circumcentre of triangle [A.sub.1][B.sub.1][C.sub.1] lies on the circumcircle of triangle ABC. High school students strike brain gold in Science Olympiads The dissection in Figure 5a is obtained by finding the centre of the equilateral triangle, which is the incentre and the...
Orthocenter of an equilateral triangle ABC is the origin O. If −−→OA=→a,−−→OB=→b,−−→OC=→c, then −−→AB+2−−→BC+3−−→CA= View Solution If G is the centroid of ΔABCandG' is the centroid of ΔA'B'C' then −−→AA'+−−→BB'+...