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OpenStudy (anonymous):
A rectangle with diagonals of length 11 and a pair of opposite sides of length 7, what is the area?
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OpenStudy (anonymous):
use the pathagorean theorem on the diagonals and lengths. The answer is (11)^2 -(7)^2. Find that, square root the number. Then multiply by 7 and u get ur answer
OpenStudy (anonymous):
thank you very much! :) does that method work with all polygons for finding the area?
OpenStudy (anonymous):
no.
OpenStudy (anonymous):
this is a sorta, special math problem thingy.... it needs to be a rectangle. and you need to know the diagonals and a side. Learn the pythagorean thm.
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