The mean proportion of 9 and 16
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Answered by
12
(√9×16=12 )i.e.,9/x=x/16
by cross multiplication x square=9×16
x=√144=12
by cross multiplication x square=9×16
x=√144=12
Answered by
15
hey...
9/x = x/16
x×x = 16×9
x^2 = 144
x^2 = 12^2
x= 12
9/x = x/16
x×x = 16×9
x^2 = 144
x^2 = 12^2
x= 12
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