## Given

1. Circumference of the Earth is approximately 24,901.0 miles
(40,075 kilometers)

2. Assume the earth is a perfect sphere.

## Calculate and display the following

1. Feet and meters in 1 degree, 1 minute, and 1 second of arc of the Earth's circumference.

2. Miles and kilometers in 1 degree of the Earth's circumference.

3. The earth is not a perfect sphere. What is its actual shape of the Earth?

## The answer to the shape of the earth is

YMJ JFWYM NX F UJFW XMFUJI TGQFYJ XUMJWJTNI

See the project "Send and receive secret messages" to see how to decrypt the answer.

The encryption shift factor is 5. The character set is:

abc = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
'U', 'V', 'W', 'X', 'Y', 'Z', '.', '?', '!', '(',
'1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
')']