Question

Find the surface area of the net diagram of the right circular cylinder. Use 3.14 for π . (1 point)

there are two circles with the radius of 8 and one rectangle with the height of 4

__inches^2

Answer 1

Wrong

Answer 2

To find the surface area of the net diagram of the right circular cylinder, we need to calculate the surface area of the two circles and the rectangle separately and then add them together.

Surface area of the two circles:
A = 2πr²
A = 2 * 3.14 * 8²
A = 2 * 3.14 * 64
A = 401.92 square inches

Surface area of the rectangle:
A = 2πrh
A = 2 * 3.14 * 8 * 4
A = 3.14 * 32
A = 100.48 square inches

Therefore, the total surface area of the net diagram of the right circular cylinder is:
401.92 + 100.48 = 502.4 square inches

So, the surface area of the net diagram of the right circular cylinder is 502.4 square inches.

Answer 3

I apologize for the mistake. Let's correct the calculation:

Surface area of the two circles:
A = 2πr²
A = 2 * 3.14 * 8²
A = 2 * 3.14 * 64
A = 2 * 200.96
A = 401.92 square inches

Surface area of the rectangle:
A = 2πrh
A = 2 * 3.14 * 8 * 4
A = 3.14 * 32
A = 100.48 square inches

Therefore, the total surface area of the net diagram of the right circular cylinder is:
401.92 + 100.48 = 502.4 square inches

So, the correct surface area of the net diagram of the right circular cylinder is 502.4 square inches.