I believe the answer is 415
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Answer:
x^2 +14x+49
Step-by-step explanation:
Area = length * width
= ( x+7) * ( x+7)
FOIL
first: x^2
outer: 7x
inner: 7x
last: 7*7 = 49
Add them together
x^2 +7x+7x + 49
Combine like terms
x^2 +14x+49
Answer: The formula is PI * RADUIS²
So, multiplying the radius by itself is 1, and then multiplying 1 by PI is the same as 3.14 .
Answer:
Easy... its 39.4
Step-by-step explanation:
Cirumference is the lenght all the way around the circle
while radius is only half the circle so you just divide the cirumference by 2 to get half.
