Answer:
Radius, r, is 3.75
Step-by-step explanation:
From the given diagram,
AB = 9
AC = 6 + r
BC = r
Thus applying the Pythagoras theorem, we have;
=
+ 
=
+ 
36 + 12r +
= 81 + 
collecting like terms,
12r = 81 - 36
12r = 45
r = 
= 3.75
r = 3.75
The radius is 3.75.
Answer:4
Step-by-step explanation:What +7=11 bause the () make a multiplication and 11x3=33
Answer:
Square root of 29.
Step-by-step explanation:
Distance = sqrt(2^2 + (-5)^2)
= sqrt 29.
Answer:
no
Step-by-step explanation:
i dont know what ur talking about
Answer:
2x+9=-17
Step-by-step explanation:
hopefully this helps :)