## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

$A=\frac{25}{28}m^{2}$
$h=\frac{5}{4}m$ $b=\frac{10}{7}m$ $A=\frac{1}{2}hb$ $A=\frac{1}{2}(\frac{5}{4}m)(\frac{10}{7}m)$ $A=(\frac{1}{2}\times\frac{5}{4}\times\frac{10}{7})\times(m\times m)$ $A=\frac{50}{56}m^{2}$ $$A=\frac{25}{28}m^{2}$$