SOLUTION: a square pyramid has a side of 7cm.the distance from a corner on the base to the apex is 9cm

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Question 1081863: a square pyramid has a side of 7cm.the distance from a corner on the base to the apex is 9cm
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
What is it that you need to find out? You didn't say it. Given the info you provided I will assume you need to find the height of the pyramid:
:
7/2 = 3.5
9^2-3.5^2 = height^2 = 68.75^
sqrt 68.75 = 8.29 is the height of your pyramid