Mathematics, 12.08.2021 14:00, stevenssimeon30
Bài 3. Cho hình thang cân ABCD có AB // CD, AB < CD. O là giao điểm của hai đường chéo. Chứng minh OA = OB, OC = OD.
Answers: 1
Mathematics, 21.06.2019 20:00, ashl3yisbored
The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac
Answers: 3
Mathematics, 21.06.2019 22:00, annadson4589
Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?
Answers: 2
Bài 3. Cho hình thang cân ABCD có AB // CD, AB < CD. O là giao điểm của hai đường
chéo. Chứng mi...
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