i need to find the area of a octagon with a perimeter of 40 ft and also find the same thing for a triangle and trapezoid. can you please help me fast?
Assuming it is a regular octagon meaning that angles and sides are equal then using the formula,Originally Posted by britt12790
Where is the number of sides and,
is the length of the sides.
But since it perimeter is 40 and there are 8 sides then each sides is 5. Thus,
But .
Thus,