Toán Lớp 9: cho hinhf thang vuong ABCD , A=D=90 do , AB = 15 cm , AD=20 cm , AC vuong goc BD taij O
a, OB,OD=?
b,AC=?
Leave a reply
Register Now
Login
Lost Password
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Toán Lớp 9: cho hinhf thang vuong ABCD , A=D=90 do , AB = 15 cm , AD=20 cm , AC vuong goc BD taij O
a, OB,OD=?
b,AC=?
Comments ( 1 )