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.
3/5(divided)9/7
3/5x7/9
27/35
Answer:
X=20
Step-by-step explanation:
Sin(x+20)=cos(2x+10)
Sin(x+20)=sin(90-(2x+10)
X+20=90-2x-10
3x=60
X=20
Answer: D $852.00
Step-by-step explanation:
The following best describes a basic postulate of the Euclidean geometry
Option first - All lines continue indefinitely.
One of the postulates of the Euclidean geometry states that any straight line segment can be extended indefinitely in a straight line. So according to this postulate, the first one is correct.