The circumference of this circle is c=94.25ft
Answer:


Step-by-step explanation:
for this equation
a=3
b= -5
c = -7
The sum of equal to

and the product is equal to

. All you do is replace the values. You can prove both of those using the quadratic formula.
2/3 = 8/12
reason:
2/3 * 4/4
Answer:

Step-by-step explanation:

Isolate d ; Divide both sides of the equation by 

Simplify

Note; Another formula for d(diameter) =

Answer:
13
Step-by-step explanation:
Pythagorean Theorem.