Mathematics, 25.07.2021 06:00 gilliandooley1002

Cho tam giác ABC .Trên tia đối của tia BC lấy điểm D sao cho BD=AB. Trên tia đối của CB lấy điểm E sao cho CE=AC . Gọi H là chân đường vuông góc kẻ từ B đếb AD, K là chân đường vuông góc kẻ từ C đến AE a) CMR: HK// DE
b) tính HK , biết chu vi tam giác ABC bằng 10 cm

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 20.06.2019 18:04

Which problem could be solved by evaluating the expression 7×(−3)7×-3?

Answers: 3

Answer

Mathematics, 21.06.2019 12:30

If an x intercept only touches the x axis it means it has a multiplicity of 2. if an intercept goes through the axis it has a multiplicity of 1 true false

Answers: 1

Answer

Mathematics, 21.06.2019 14:30

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Answers: 2

Answer

Mathematics, 21.06.2019 16:30

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Answers: 2

Answer

You know the right answer?

Cho tam giác ABC .Trên tia đối của tia BC lấy điểm D sao cho BD=AB. Trên tia đối của CB lấy điểm E s...

Questions

Mathematics, 16.01.2021 05:50

Which expression uses the greatest common factor and the distributive property to rewrite the sum 64 + 32? 16(4+2) 8(8+4) 32(2)+1 32(2+1)...

Physics, 16.01.2021 05:50

2.08 acceleration lab physics...

Biology, 16.01.2021 05:50

Which worm sometimes uses specialized tentacles to exchange gas and capture food? a fluke a planarian an earthworm a marine worm...

History, 16.01.2021 05:50

What physical features did the Aryan migrations pass through? PL HELP...

Mathematics, 16.01.2021 05:50

the history museum is hosting a special exhibition on history of flight. The admission ticket for each adult cost $5 and the admission ticket for each...

Mathematics, 16.01.2021 05:50

Hi everyone how are you and what is 4 divieded by 12

Physics, 16.01.2021 05:50

In a transverse wave the particles Name of the move to the wave's direction of travel....

Mathematics, 16.01.2021 05:50

Directions: Given two sides of a triangle, find a range of possible lengths for the third side. 7. 4 cm, 17 cm 8. 24 ft, 52 ft

History, 16.01.2021 05:50

PLEASE HELP MAKING BRAINLIEST IF CORRECT ...

English, 16.01.2021 05:50

Am 无聊所以谁想说话 ... :/ oop...

Mathematics, 16.01.2021 05:50

4. Make up a system of equations with infinite solutions...

Mathematics, 16.01.2021 05:50

The area of a square floor on a scale drawing is 64 square centimeters, and the scale drawing is 1 centimeter:2 ft. What is the area of the actual flo...

History, 16.01.2021 05:50

How did European goods impact the lives of native tribes...

Computers and Technology, 16.01.2021 05:50

You have just been offered your first big software contract. The scope of work is to create a tool for grade school students to learn their times tabl...

History, 16.01.2021 05:50

Who should be responsible for ending a genocide?...

English, 16.01.2021 05:50

Help plz will give brainliest ...

Biology, 16.01.2021 05:50

If both parents do not display a certain phenotype for a genetic disorder but have offspring that do the parents are most likely...

Mathematics, 16.01.2021 05:50

Find the restrictions on the variable. ...

Mathematics, 16.01.2021 05:50

I WILL GIVE BRAINLIEST TO CORRECT ANSWER -x<-x+7(x-2)...

English, 16.01.2021 05:50

This is the ability to make choices and perform actions and is an essential property of the human person...

More questions: Mathematics Another questions