Height of the pentagon = 9 ft
Edge of base = 3 ft
![area of pentagon = \frac{s^{2}n}{4 tan\left ( \frac{180}{n} \right )}](https://tex.z-dn.net/?f=%20area%20of%20pentagon%20%3D%20%5Cfrac%7Bs%5E%7B2%7Dn%7D%7B4%20tan%5Cleft%20%28%20%5Cfrac%7B180%7D%7Bn%7D%20%5Cright%20%29%7D%20)
s is the length of any side = 3
n is the number of sides = 5
tan is the tangent function calculated in degrees
![\\ \\\\area of pentagon = \frac{3^{2}(5)}{4 tan\left ( \frac{180}{5} \right )}\\\\\\area of pentagon = \frac{9(5)}{4 tan\left ( 36 \right )}\\\\area of pentagon = \frac{45}{4 ( 0.7265 )}\\\\area of pentagon = \frac{45}{2.906}\\\\area of pentagon = 15.4852](https://tex.z-dn.net/?f=%20%5C%5C%20%5C%5C%5C%5Carea%20of%20pentagon%20%3D%20%5Cfrac%7B3%5E%7B2%7D%285%29%7D%7B4%20tan%5Cleft%20%28%20%5Cfrac%7B180%7D%7B5%7D%20%5Cright%20%29%7D%5C%5C%5C%5C%5C%5Carea%20of%20pentagon%20%3D%20%5Cfrac%7B9%285%29%7D%7B4%20tan%5Cleft%20%28%2036%20%5Cright%20%29%7D%5C%5C%5C%5Carea%20of%20pentagon%20%3D%20%5Cfrac%7B45%7D%7B4%20%20%28%200.7265%20%29%7D%5C%5C%5C%5Carea%20of%20pentagon%20%3D%20%5Cfrac%7B45%7D%7B2.906%7D%5C%5C%5C%5Carea%20of%20pentagon%20%3D%2015.4852%20)
Volume of the pentagon = area of base (height )
Volume of the pentagon = 15.4852 (9)
Volume of the pentagon = 139.366
Volume of the pentagon = 139.37 cu.ft
C, x = +-7. Difference of squares
Answer:
111°
Step-by-step explanation:
The two angles are alternate exterior angles, and those types of angles are always congruent if there are parallel lines.
Answer:
A
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
2+2 = 4
4/2 = 2