Answer:
Rectangle= lw (length times width)
Square= a²
Parallelogram=bh (base times height)
b is the correct answer
Step-by-step explanation:
see the step in the picture
Answer:
Step-by-step explanation:
X-4
Answer:

Step-by-step explanation:


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