Asked by Piggy
What is the total surface area of a regular square pyramid with a base side length of 18cm and a height of 12cm?
Answers
Answered by
Steve
the slant height is 15, so you have 4 triangles of base 18 and height 15
plus an 18x18 base if you want to include that.
plus an 18x18 base if you want to include that.
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