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SA = 2+2
1. Find the radius.
R = 1/2D
6 x 1/2 = 3
R = 3
2. Plug them in.
SA 2(3.14)(3)(7) + 2(3.14)(3^2)
3. Solve
3 x 7 = 21
21 x 3.14 = 65.94
65.94 x 2 = 131. 88
3^2 = 9
9 x 3.14 = 28.26
28.26 x 2 = 56.52
4. Add them together.
131.88 + 56.52 = 188.4
Answer: 188.4 square millimeters
Hi there!
First we split up the square root into two parts.
Now we calculate the value of the square roots which have an integer as a solution
Multiplying the integers gives us our next step.
And finally we add up the roots.
First we split up the square root into two parts.
Now we calculate the value of the square roots which have an integer as a solution
Multiplying the integers gives us our next step.
And finally we add up the roots.