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Mathematics 12 Online
OpenStudy (anonymous):

The length of a diagonal of a square is 8 mm. Find the perimeter of the square. 15.39 mm 22.8 mm 7.7 mm 32 mm

OpenStudy (ajanijones):

, Pythogram's Theorem says a2+b2=c2 so you know one of them which is 7inches and the other two sides are supposed to be the same so therefore 7 square root is 2.6 since you know that is 2.6 divided by 2 you can find out the ans = 1.3

OpenStudy (anonymous):

ok thanks, is it the same for area?

OpenStudy (anonymous):

wait I don't think thats right.. @ajanijones

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