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How do you work out the diagonal line in a rectangle size 5cm x 10cm?
Wiki User
∙ 14y ago
Use Pythagoras's theorem -- c2=a2+b2, where a and b are sides of a rectangle, and c is the diagonal.
Here, a = 5 [cm] and b = 10 [cm]
So, c = sqrt (52 + 102) = 11.18 [cm] (<-- the negative root can be ignored)
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Wiki User
∙ 14y ago
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