subject
Mathematics, 17.10.2021 14:40 ErrorNameTaken505

Bonjour j'ai un dm de maths à rendre et je dois avouer que je ne comprends pas trop. Quelqu'un peut-il m'aider svp ? On précise que ABCD est un trapèze isocèle où (AB)//(CD) et on donne les mesures suivantes en cm : AB = 3,6 ; CD = 12,6 et BC = 7,5. 1) Refaire une figure à main levée et placer le point E sur [DC] tel que (BE) perpendiculaire à (EC). 2) Calculer EC et BE. 3) Faire une figure en vrai grandeur. 4) Calculer BD (on arrondira au dixième). 5) Le triangle BDC est-il rectangle ? Expliquer.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 19:20
The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?
Answers: 2
question
Mathematics, 21.06.2019 21:00
Which of the functions graphed below has a removable discontinuity?
Answers: 2
question
Mathematics, 21.06.2019 22:30
What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955
Answers: 1
question
Mathematics, 22.06.2019 01:30
Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?
Answers: 1
You know the right answer?
Bonjour j'ai un dm de maths à rendre et je dois avouer que je ne comprends pas trop. Quelqu'un peut-...
Questions
Questions on the website: 13722361