subject
Mathematics, 09.09.2021 05:50 charati3923

Cho tam giác ABCD có phân giác trong của góc A và góc B cắt nhau tại E sao cho DE=DA: chứng minh a) các tam giác ABC và EDC bằng nhau
b) AC là phân giác góc A

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 21:00
Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24
Answers: 2
question
Mathematics, 21.06.2019 22:00
Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?
Answers: 2
question
Mathematics, 21.06.2019 23:30
Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is
Answers: 3
question
Mathematics, 22.06.2019 01:00
Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?
Answers: 1
You know the right answer?
Cho tam giác ABCD có phân giác trong của góc A và góc B cắt nhau tại E sao cho DE=DA: chứng minh a...
Questions
question
Mathematics, 25.02.2021 18:20
question
Mathematics, 25.02.2021 18:20
question
Arts, 25.02.2021 18:20
question
Social Studies, 25.02.2021 18:20