cho 2 diem M va N nam Cung phia voi A , nam cung phia doi voi B . Diem M nam giua A va B . biet AB =3cm,BN=1cm.chung to rang:a, bon diem ABMN thang hang b, diem N la trung diem cua doan MB c , ve du...

DC

Dinh Cuong

29 tháng 3 2017 - olm

cho 2 diem M va N nam Cung phia voi A , nam cung phia doi voi B . Diem M nam giua A va B . biet AB =3cm,BN=1cm.chung to rang:

a, bon diem ABMN thang hang

b, diem N la trung diem cua doan MB

c , ve dung tron tam N di qua B va duong tron tam A di qua N , chung cat nhau tai C tinh chu vi tam giac CAN

#Toán lớp 6

1

DC

Dinh Cuong

29 tháng 3 2017

AB=5cm , Am=3 ,BN=1 sua loi

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DC

Dinh Cuong

29 tháng 3 2017 - olm

cho 2 diem M va N nam Cung phia voi A , nam cung phia doi voi B . Diem M nam giua A va B . biet AB =3cm,BN=1cm.chung to rang:

a, bon diem ABMN thang hang

b, diem N la trung diem cua doan MB

c , ve dung tron tam N di qua B va duong tron tam A di qua N , chung cat nhau tai C tinh chu vi tam giac CAN

#Toán lớp 6

0

NH

nguyen huu an

31 tháng 3 2017 - olm

cho hai diem M va N nam cung phia doi voi A,nam cung phia doi voi B. diem M nam giua Ava B biet Ab =5 cm AM =3cm BN=1cm .CMR BON DIEM A ,B , M,M nam thang hang va diem N la trung diem cua doan thang MB

#Toán lớp 6

0

HD

Hoàng Diệu Anh

27 tháng 11 2016 - olm

Cau 5: Trong cac khang dinh sau, khang dinh nao dung, khang dinh nao sai?1.Ba diem phan biet la ba diem thang hang.2.Voi ba diem phan biet luon co hai diem nam ve cung phia doi voi diem con lai.3.Voi ba diem thang hang phan biet luon co hai diem nam khac phia voi diem con lai.4.Voi ba diem A,B,C thang hang thi diem B luon nam giua hai diem A,C.5.Co mot va chi mot duong thang di qua hai diem (phan biet) cho truoc.6.Hai duong thang phan biet thi song song voi nhau.7.Hai tia chung goc thi cung nam...

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#Toán lớp 6

1

TM

Trần Minh Châu

19 tháng 11 2017

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HQ

Hoang Quoc Anh

27 tháng 11 2014 - olm

cho 3 diem A,B,C khong thang hang

a)Ve duong thang AB, doan thang BC,tia AC.Lay dien M tren duong thang AB sao cho B,M nam cung phia so voi diem A

b)Ve tia Ax la tia doi cua tia AC.Lay diem N sao cho A la trung diem cua doan CN(ve tren cung 1 hinh)

#Toán lớp 6

2

BT

bui tien dung

19 tháng 11 2017

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TM

Trần Minh Châu

19 tháng 11 2017

uytyyyy

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NT

nguyễn thị thùy dung

5 tháng 11 2018 - olm

cho cac diem A va B thuoc duong thang a .diem C nam giua A va B .diem D nam giua C va B

a)tim tren duong thang a nam cung phia doi voi diem C diem nam khac phia doi voi diem C

b) tim tren hinh ve cac tia doi nhau goc C ,cac tia trung nhau goc C