Answer: parallel = - 1/4
Step-by-step explanation: perpendicular= 4
Answer:
The area of the regular octagon is
Step-by-step explanation:
we know that
The area of the regular polygon is equal to
where
P is the perimeter of the regular polygon
a is the apothem
<em>Find the perimeter P</em>
Find the area
Answer:
96
Step-by-step explanation:
5:4
Both sides have to be equal.
120 divided by 5 is 24.
4 times 24 is <u>96</u>.
Answer: D
Step-by-step explanation:
%decrease= decrease/original value*100
decrease=21500-13115=8385
=(8385*100)/21500=39%