Divide 15 by 2, then square the amount.
(15/2)^2 = 225/4
Assuming CDB is a straight line then angle ADB = 180-82=98
<span> x y
</span><span><span>−5</span><span>−9
</span></span><span><span>−4 -0</span></span><span>
</span><span><span>−3 3</span></span><span><span>
-2 0
-1-9</span></span>
A Foot Is 12 Inches, There's No Way You Could Turn 2 Inches Into Feet
