Question
Your friend is purchasing an umbrella with a slant height of 4 feet. A red umbrella is shaped like a regular pentagonal pyramid with a side length of 3 feet. find the lateral surface area of the red umbrella.
Answers
each of the 5 lateral faces is just a triangle with
base = 3
height = 4
I assume you can find the area of such a triangle...
base = 3
height = 4
I assume you can find the area of such a triangle...
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