Answer:
32pi
Radius=1/2 Diameter
radius=2
Area of circle= pi*radius^2= 4pi
4pi*8=32 pi
The answer is x=-4 because you subject 5 on both sides and than divide -2 both sides and it leaves you with x=-4.
Answer:
Volume of sphere is given by:
......[1]
where
V represents the volume of sphere
r represents the radius of the sphere.
Value of
Since, it is given that: Diameter(D) = 12.3 cm
Diameter(D) = 2r
Divide both side by 2 we get;
r = 6.15 cm
Now, substitute the value of r in [1] we get;
Simplify:
V = 973.853732 cubic cm
Therefore, the exact volume of sphere is, 974 cubic cm
Answer:
A
Step-by-step explanation:
according to tangent property
we get
Given that
Thus our equation is
substitute the given values
simplify multiplication:
simplify addition:
cancel 20 from both sides:
divide both sides by 2:
AN=CN
hence,CN=7
therefore our answer is A