If a pyramid has a square base with side length 4 units and a slant height of 5 units, what is its lateral surface area?
Options
A
20 square units
B
40 square units
C
80 square units
D
160 square units
Answer & Analysis
Answer
B
Analysis
Question Analysis
This question requires calculating the lateral surface area of a pyramid using the given dimensions.
Key Concept Explanation
The lateral surface area of a pyramid is calculated using the formula , where P is the perimeter of the base and l is the slant height.
Step-by-step explanation
Calculate the perimeter of the base (P = 4 * 4 = 16 units), then
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