The surface area of the onion can best be modeled by a sphere. Based on the model, the approximate surface area of the onion is 38.5 square inches.
What is an equation?
An equation is an expression that shows the relationship between two or more numbers and variables.
The onion can be modeled by a sphere with a diameter of 3.5 inches, hence:
Surface area of onion = 4π * radius² = 4π * (3.5/2)² = 38.5 in²
The surface area of the onion can best be modeled by a sphere. Based on the model, the approximate surface area of the onion is 38.5 square inches.
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