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Mathematics 18 Online
OpenStudy (anonymous):

4. A kite has diagonals of 18 inches and 21 inches as seen below. What is the perimeter of the kite?

OpenStudy (anonymous):

OpenStudy (anonymous):

15+15+9+9=48

OpenStudy (anonymous):

Kite perimeter is:\[2\sqrt{9^2+9^2}+2\sqrt{12^2+9^2}=30+18 \sqrt{2}=55.46 \]

OpenStudy (anonymous):

correct..i took 9 as side.i didn't see it proper;y sorry :(

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