Answer:
20 kph
Step-by-step explanation:
Step 1:
10 : 30 Ratio
Step 2:
60 mins in hour
Step 3:
10 : 30 = x : 60 Equation
Step 4:
30x = 600 Multiply
Step 5:
x = 600 ÷ 30 Divide
Answer:
x = 20
Hope This Helps :)
Answer:
4 is the diameter
Step-by-step explanation:
Given:
C = 4π
Formula for circumference:
C = 2πr
Work:
C = 2πr
4π = 2πr
r = (4π)/(2π)
r = 2
Diameter:
d = 2r
d = 2(2)
d = 4
