Answer:
Equilateral, acute
Step-by-step explanation:
Equilateral triangles have all sides the same length (all sides are 4 ft in this triangle, so it is equilateral).
Acute triangles have no angles that are greater than or equal to 90 degrees (all angles are 60, which is less than 90, so it is acute).
Answer:
65% to go or 35% already delivered
Step-by-step explanation:
Amy has completed 35% of her deliveries since 21/60 is .35
If the question is how much she has left, Amy needs to complete 65% more of her deliveries.
If the question is how much she has completed, she has delivered 35% of her deliveries.
Answer:

Step-by-step explanation:
a) 
b) 
c) 
d) 
e) 
f) 
Volume = π×22<span>×6 = </span><span>75.398223686155 feet^3</span>
Answer: I do not understand the options you gave but but cos30º is equal to
/2 which is 0.86602540378.