Education and Training Encyclopedia
Graduation thesis
University ranking
University rankings
Education and training
Resume
Educational institution
Educational Knowledge
Current location -
Education and Training Encyclopedia
-
Educational institution
- Wenbo education mathematics
Wenbo education mathematics
Draw a straight line perpendicular to the bottom BC from point A, passing through BC and point D..
Because, ∠ B = 45 ∠ C = 30.
AD=BD，DC =√3 AD
BD+DC=BC
AD( 1+√3)= 1+√3
Get AD= 1。
Then AC=2 and AB=√2.
Related articles
Advantages and disadvantages of Tianjin Rixin International School
What about the education of gathering talents with the same academic qualifications?
Educational Thinking on "Cloud Classroom"
What was the network explanation just now?
How to become a sign language teacher
The cultural functions of higher education include
Which village committee does Guangxi International Business Vocational and Technical College ASEAN Campus belong to?
How will you face the aggressive education of your parents?
Parents' groups talk about homework assigned by kindergarten teachers.
How to read IELTS?