Answer:
<h2>Option A = 1*3 = 3 unit² </h2>


<h3>Distance between f and G = distance between E and H </h3>
F = (3,7)
G = (6,4)
H = (5,3)
E= (2,6)
= (3 units)
<h3>
Distance between FE = GH </h3>
= 1 units
Area = 3* 1
= 3 units²
1/4 / 1/2 =
1/4 x 2/1 = 2/4 = 1/2
Answer:
The volume of the sphere is 14m³
Step-by-step explanation:
Given
Volume of the cylinder = 
Required
Volume of the sphere
Given that the volume of the cylinder is 21, the first step is to solve for the radius of the cylinder;
<em>Using the volume formula of a cylinder</em>
The formula goes thus

Substitute 21 for V; this gives

Divide both sides by h


The next step is to solve for the volume of the sphere using the following formula;

Divide both sides by r

Expand Expression

Substitute 



Multiply both sided by r

------ equation 1
From the question, we were given that the height of the cylinder and the sphere have equal value;
This implies that the height of the cylinder equals the diameter of the sphere. In other words
, where D represents diameter of the sphere
Recall that 
So, 

Substitute 2r for h in equation 1



Hence, the volume of the sphere is 14m³
2x because its 2 times the price of the book (x)