Find the supplement \( \frac{2}{5} \) of \( 90^{\circ} \)

To find the supplement of an angle, we subtract the angle from \( 180^{\circ} \). Given that we need to find the supplement of \( \frac{2}{5} \) of \( 90^{\circ} \), we first calculate \( \frac{2}{5} \) of \( 90^{\circ} \): \[ \text{Angle} = \frac{2}{5} \times 90^{\circ} \] Now, let's calculate this step by step: 1. Calculate \( \frac{2}{5} \times 90 \): \[ \frac{2 \times 90}{5} = \frac{180}{5} = 36^{\circ} \] 2. Now, find the supplement of \( 36^{\circ} \): \[ \text{Supplement} = 180^{\circ} - 36^{\circ} = 144^{\circ} \] Thus, the supplement of \( \frac{2}{5} \) of \( 90^{\circ} \) is \( 144^{\circ} \).