Answer:
4π in ≈ 12.57 in
Step-by-step explanation:
One full revolution (2π radians) is made in 60 minutes. In 40 minutes, the hand moves through an angle θ of (40/60)(2π) = 4π/3 radians. The length of the arc is ...
s = rθ = (3 in)(4π/3) = 4π in ≈ 12.57 in
Ne demek istiyosun anlamadım
13 + 21 = 13- -21
The minus sign and negative cancel each other out.
Answer: 18
Step-by-step explanation:
2r+12/n
Plug in the 3 and 7
2(7)+12/3
14+4
18
Hope that helps