Answer:
816 square feet
Step-by-step explanation:
13(16+20+12) + 16(12) = 816
D) perpendicular!
A perpendicular's definition is: a straight line at an angle of 90° to a given line, plane, or surface.
And if you mark them on a graph you could see these two are opposite of each other.
48/100 (simplified: 6/25) - Fraction form
.48 - decimal form
48% - percent form
<span>x-y=2y -> x=3y and
3x-40+2y=180 --> 9y-40+2y=180 --> 11y=220 --> y=20, x=60 --> <A=<C=140 degrees, <B=<D=40 degrees.</span>