Answer:
:Pi (π) is one of the most important numbers in mathematics. Roughly 3.14, it is a constant that we use it to calculate the circumference of a circle . It is an irrational number,pi is equal to c/d circumfrance /diameter that is 3.14
<span>The total surface area is SA = 6 </span>×

;
SA = 6 ×

= 6 × 81 = 486

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Answer:
Step-by-step explanation:
A(-5,-4) B(-3, 3)
(-5 + -3)/2 = -8/2= -4
(-4 + 3)/2 = -1/2
(-4, -1/2) the midpoint