Answer:
circumference of a circle is equal to π (22/7)×diameter of a circle
15
Step-by-step explanation:
12+3=15
for the second questio it is certainly The last choice D
A
1:2
2:1
2:3
3:6
Divide each side by 3
3/3: 6/3 1:2
10:5
Divide each side by 5
10/5 : 5/5 2:1
16:24
Divide each side by 8
16/8: 24/8 2:3
