Quote:
Originally Posted by svenlind
If you have a scientific calculator then this is easier:
Width = 20*cos(atan(4/3))
Height = 20*cos(atan(3/4))

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You don't need a calculator of any kind!
A right-angled triangle with sides of 3 units and 4 units has a hypotenuse of 5 units. Therefore:
Width = 20 x 3/5 = 12cm
Height = 20 x 4/5 = 16cm
QED