All the sides of a proper rectangle are 90 degrees.
<span>So you use sine and cosine to figure out the two different lengths of sides ( because rectangle sides are parallel). To find area you times the two sides together. To find perimeter you times the two sides by two and add them together.</span>
Answer:
IJ= 27
Step-by-step explanation:
HI+IJ=HJ
x+2x+9=4x
combine like terms
x=9
IJ=2(9)+9
18+9=27
IJ=27
Answer:
vvvgghhi
hi
Step-by-step explanation:
ggguuuuuuuuhh
3/5 of an inch because 9ft=108in and 108/11.25 equals 9.6
