tarfoungFannegsx tarfoungFannegsx

10-06-2016
Mathematics

Answered

TRICKY QUESTION: PLS HELP? If the side length of a square pyramid is tripled and the slant height is divided by 5, what would be the formula to find the modified surface area?

Verified Answer :

apologiabiology apologiabiology

10-06-2016

formula for surface area is
SA=(s^2)+4(1/2)(sl) or
SA=(s^2)+2(sl)
where s is side legnth and slant height is l

if s times 3
if l divided by 5

replace all s with 3s and all l with l/5 and compare wth original

SA=((3s)^2)+2(3s(l/5))
SA=(9s^2)+((6sl)/5)

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