What is the approximate distance in kilometers of one degree of longitude at the

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Question: What is the approximate distance in kilometers of one degree of longitude at the equator? (2019)

Options:

Correct Answer: 111 km

Exam Year: 2019

Solution:

At the equator, one degree of longitude is approximately 111 kilometers.

What is the approximate distance in kilometers of one degree of longitude at the equator? (2019)

What is the approximate distance in kilometers of one degree of longitude at the equator? (2019)

Step 1: Understand that the Earth is a sphere and is divided into degrees of longitude and latitude.
Step 2: Know that the equator is the widest part of the Earth, where the distance between lines of longitude is greatest.
Step 3: Realize that the Earth is about 40,075 kilometers in circumference.
Step 4: Since there are 360 degrees of longitude around the Earth, divide the total circumference by the number of degrees: 40,075 km ÷ 360 degrees.
Step 5: Calculate the result, which is approximately 111 kilometers per degree of longitude at the equator.

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