So a circular pool will be in the shape of a cylinder. and the formula for finding the area of a cylinder is
. r=radius, h=height. If we put the numbers into the equation it is
.14 squared is 196 and 4*14= 56. So our equation is now
. 2*pi=6.28318530718 but let's round that to 6.283. So now our equation is much simpler 6.283(196)+6.283(56). Just multiply them. 1231.504+351.858= <span>
1583.362</span> is your final answer.
Explanation : if two half cups is 1 cup . then you just multiply by 2 to get how many half cups of juice she would need .
Answer:
x= 9/2
Step-by-step explanation:
Take the sqrt of both sides of <span>(x+2)^2=10:
x+2 = plus or minus sqrt(10)
Solve for x: x = -2 plus or minus sqrt(10)
Evaluate x: x = -2 + sqrt(10) AND x = -2 - sqrt(10) (answers)
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The circumference of every circle is (pi) times (diameter).
The diameter is (2 x radius), so we can write
Circumference = (pi) x (2 x radius) .
The question gives us the circumference, and the number to use for (pi).
I shall now pluggum in:
(31.4 cm) = (3.14) x (2 x radius)
Divide each side by 3.14: (31.4 cm)/(3.14) = 2 x radius
Divide each side by 2 : (31.4 cm) / (2 x 3.14) = radius
5 cm = radius
