Mathematics
Mathematics, 23.07.2021 14:00, kkpowell

Cho tam giác BDC cân tại D, góc C= 30°. M, N,I lần lượt là trung điểm của BD, BC, DC a) Chứng minh: MNID là hình bình hành
b) Kẻ BA vuông góc với CD( A € CD) . Chứng minh AMNI là hình thang cân và AD= 1/3 AC

answer
Answers: 2
Show answers

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:30, ellamai16
Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2
Answers: 3
continue
image
Mathematics, 21.06.2019 19:30, abigailstolp
Find the domain of the following expression: 1/(√x)-2
Answers: 1
continue
image
Mathematics, 21.06.2019 19:30, keidyhernandezm
James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out
Answers: 2
continue
image
Mathematics, 21.06.2019 20:00, Yumimiku5989
Which number completes the inequality? 2/3 < _ < 7/9
Answers: 1
continue
Do you know the correct answer?
Cho tam giác BDC cân tại D, góc C= 30°. M, N,I lần lượt là trung điểm của BD, BC, DC a) Chứng minh:...

Questions in other subjects:

Konu
Physics, 01.07.2021 01:50
En la figura de este problema, considere que el coeficiente de fricción cinético entre el bloque y el plano vale uc = 0.10. Calcule el valor de la fuerza F que la persona ejerce, s...
Konu
Advanced Placement (AP), 01.07.2021 01:50
Please i need help its a physical education question functions of the national governing bodies of sports ?...
Konu
English, 01.07.2021 01:50
Which sentence most clearly describes part of Elie Wiesel's rhetorical situation in "The Perils of Indifference"? A. He is trying to influence the U. S. government to...
Konu
Mathematics, 01.07.2021 02:00
Write an equation ​(a) in​ slope-intercept form and ​(b) in standard form for the line passing through ​(​1,7​) and perpendicular to 3x+5y=1....
Konu
Social Studies, 01.07.2021 02:00
Pls help Flatboats were pulled from shore by which animals? A) horses B) oxen C) buffalo D) dogs...
Konu
History, 01.07.2021 02:00
Quais bandeiras foram levantadas no movimento de 2014...
Konu
Mathematics, 01.07.2021 02:00
Sketch the graph of f(x)=|x²-x-2|​...
Konu
Mathematics, 01.07.2021 02:00
Can someone help me on this please ...
Konu
Mathematics, 01.07.2021 02:00
(Will mark brainliest Sixty percent of all children in a school do not have cavities. The probability, rounded to four decimal places, that in a random sample of 9 children select...
Konu
Mathematics, 01.07.2021 02:00
Which best describes the end behavior of y = 7x^2...
Other tasks in the category: Mathematics More task
See results (0)