Answer:
Step-by-step explanation:
we know that
The incenter of a triangle is the meeting point of the three angle bisectors of a triangle.
so
![m](https://tex.z-dn.net/?f=m%3CQBO%3Dm%3COBR)
we have
-----> given problem
so
Remember that
In a triangle the sum of the internal angles must be equal to
so
In the right triangle OQB
substitute
An
chọn A
Step-by-step explanation:
3x-5>= 4x-3
<=>x <= -2( -2;-3;-5)
Step-by-step explanation:
we cant send image in this app
so u must do it yourself .....In my opinion
Answer:
2
Step-by-step explanation: