WAEC - Mathematics (1998 - No. 52)
The diagonal and one side of a square are x and y units respectively. Find an expression for y in terms of x
\(y=\frac{x}{2}\)
\(y\frac{x}{\sqrt{2}}\)
\(y=\sqrt{x}\)
\(y=\sqrt{\frac{x}{2}}\)
説明
diagonal of a square(x) = y√2
y in terms of x →
y = \(\frac{x}{√2}\)