Answer:
Well it obviously is obtuse, so the answer is definitely more than 90°, because the angle has an outward slant. I hope this helps! Let me know if it doesn't make sense, I willl explain it more :)
Step-by-step explanation:
Answer:
the second one
Step-by-step explanation:
The tunnel is made of two shapes and we can find the volume of each.
Cuboid volume=15×5×30=2250 cu yds.
Half cylinder volume=π(7.5)²30/2=843.75π=2649.38 cu yds.
Total volume=4899.38 cu yds.
Answer:
1
Step-by-step explanation:
Answer: combine
Step-by-step explanation:
When you combine like terms, it shortens or simplified the equation
Example: 2x-5+15
Combine actual numbers -5 and 15.
2x+10
