How Did Eratosthenes Measure the Size of the Earth

question 27

Multiple Choice

How did Eratosthenes measure the size of the Earth?

• A) by walking about one-quarter of the way around its circumference
• B) by measuring the times of sunrise in each of the four seasons
• C) by determining the parallax of the Moon and finding the size of its orbit
• D) by measuring the height of the Sun in the sky on the same day in two cities at different latitudes
• E) by asking Aristotle who knew everything

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Definitions:

Kinked-demand Curve

A demand curve that has a distinct bend or kink, typically illustrating that a firm in an oligopoly will experience a different elasticity of demand for price increases compared to price decreases.

Price Cut

A reduction in the price of a good or service to attract more customers or boost sales.

Price Increase

A rise in the cost of goods or services, often measured by inflation rates or observed in market prices.

Demand Curve

A graph that represents the relationship between the price of a good or service and the quantity of it that consumers are willing and able to purchase at various prices.