subject
Mathematics, 11.09.2021 14:40 jetblackcap

Cho tứ giác ABCD. Gọi E, F,G, H lần lượt là trung điểm của các cạnh AB, BC, CD và DC và I, J là trung điểm của 2 đường chéo AC và BD. Chứng minh: các tứ giác EFGH, IFJH là các hình bình hành

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 23:30
What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit
Answers: 1
question
Mathematics, 22.06.2019 00:40
Point b lies between points a and c on . let x represent the length of segment ab in inches. use the segment to complete the statements. the value of x is . the length of in inches is . the length of in inches is .
Answers: 3
question
Mathematics, 22.06.2019 01:10
Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?
Answers: 1
question
Mathematics, 22.06.2019 01:10
How is the interquartile range calculated?
Answers: 1
You know the right answer?
Cho tứ giác ABCD. Gọi E, F,G, H lần lượt là trung điểm của các cạnh AB, BC, CD và DC và I, J là trun...
Questions
question
Mathematics, 28.03.2021 02:10
question
Mathematics, 28.03.2021 02:10
question
Mathematics, 28.03.2021 02:10
question
Mathematics, 28.03.2021 02:10
question
Mathematics, 28.03.2021 02:10
question
Mathematics, 28.03.2021 02:10
Questions on the website: 13722360