Answer:
A right triangle with degrees 20, 70, 90.
Step-by-step explanation:
Answer:
idk im dumb just like you dude
Step-by-step explanation:
cant help when you put question marks!
please do this better!
Answer:81030m
Step-by-step explanation:1km=1000m, 81km=81000+30=81030m
Answer:
The center of the circle is

Step-by-step explanation:
Let the equation of the circle be
, where (-a,-b) is the center of this circle.
The points lying the circle must satisfy the equation of this circle.
A(0,0)
We substitute this point to get;


B(-3,0)



But c=0


C(1,2)



Put the value of 'a' and 'c' to find 'b'




b=-2
Hence the center of the circle is
