The opposite is just 1. Positive 1.
Find 
using Pythagorean Theorem,
.
.
.
Hope this helps.
Angles:
2 acute angles and 2 obtuse angles
Sides:
2 pairs pf parallel sides
The principal will donate 1.50 for every dollar the fifth graders raise
3 * ln 4x = 13
<span><=> </span>
<span>ln 4x = 13/3 </span>
<span><=> </span>
<span>4x = e^(13/3) </span>
<span><=> </span>
<span>x = e^(13/3) / 4 </span>
<span><=> </span>
<span>x ~ 19.05 </span>
