ANSWER: x (BHJ) x+yr sj i think it’s right
but have a great day hope this helps!!
Answer:
The area of the enclosed gazebo is 
Step-by-step explanation:
I assume that is a regular octagon (eight equal aides)
we know that
The area of a regular polygon is equal to

where
P is the perimeter of the polygon
a is the apothem
<em>Find the perimeter P</em> (the octagon has 8 sides)


substitute


Answer:
a = 6, b = 22.5
Step-by-step explanation:
One triangle is 2.5 times bigger than the other.
9*2.5=22.5 which means b = 22.5
15/2.5=6 which means a = 6