Answer:
Step-by-step explanation:
curved surface area is 2πrh, so 2*π*7*15.
7*15*2=210.
210*π=659.734
Answer:
Root( c square -9)
Step-by-step explanation:
The answer u have is the answer for a^2
Answer:
3x-x+2=4 :)
Step-by-step explanation:
Hope this helped! :3
Answer:
or 
Step-by-step explanation:




For sin θ = 0.5, the reference angle is θ = 30 deg.

or 
False the new perimeter is half of the original.