Answer:
1469.52
Step-by-step explanation:
V=πr²h
r=6 ft
h=13 ft
π≈3.14
V≈3.14×6²×13 ft³
V≈1469.52 ft³
Its equilateral ( all sides are equalA0
Also its acute.
D and F
Answer:

Step-by-step explanation:
Answer:m∠1 = 145°
m∠2 = 35°
m∠3 = 35°
m∠4 = 145°
m∠5 = 145°
m∠6 = 35°
m∠7 = 35°
m∠8 = 145°
Step-by-step explanation:
(f-g) (x) means to subtract g(x) from f(x)
F(x) = 2x^2 +3
g(x) = x^2
This becomes:
2x^2 + 3 - x^2 = x^2 +3