Air energy
Heat energy
Kinetic energy
:-)
I believe the second one right, because if I remember two opposite angles of an outside angle = the outside angle.
-2. or otherwise put as -2/1
P = 2L + 2W ....subtract 2L from both sides
P - 2L = 2W ...divide both sides by 2
(P - 2L) / 2 = W .....can also be written like (P/2) - L = W