如果两个相似多边形的面积比为16:9,那么这两个相似多边形的相似比为( )
A.16:9
B.4:3
C.2:3
D.256:81
根据题意得:169=43.
故选:B.
Young people today posting wonderful articles and beautiful photos onto the micro message to share with friends.
A.are afraid of
B.are used to
C.used to
D.would like
伴有膀胱刺激症状及 * * 和阴茎头部放射性疼痛者,最可能是
A.肾盂结石B.输尿管中段结石C.输尿管上段结石D.输尿管末段结石E.肾盏结石