Understanding Surface Area of a Pyramid
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Beginner
Start here! Easy to understand
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Beginner Explanation
The lateral surface area (L.S.A.) of a pyramid is calculated as $\frac{1}{2} p l$, where p is the base perimeter and l is the slant height. First find p, then multiply by l, and take half of that.
Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
What is the lateral surface area of a pyramid with an equilateral triangular base with side length 8 inches and a slant height of 5 inches? (No diagram is needed.)
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2
Real-World Problem
Question Exercise
Intermediate
Teenager Scenario
Imagine building a pyramid-shaped tent with a square base with side length 16 inches and slant height of 17 inches. Calculate the total surface area of the tent.
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
Given a pyramid with a non-regular base, determine what additional information is needed to calculate the surface area.
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4
Challenge Quiz
Single Choice Quiz
Advanced
Find the total surface area of a pyramid with a hexagonal base of perimeter 48 inches and slant height of 9 inches. The base area is 144 square inches. (No net diagram is needed.)
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