Answer:
12.57cm
Step-by-step explanation:
Formula : Pi×r²
pi×2²=4pi=12.56637061
rounded : 12.57cm
Answer:
# 2 the you are on the right one
Step-by-step explanation:
Answer:
The father is 50 and his son is 15.
Step-by-step explanation:
Double the tens digit of the father's age = 10
Plus 5 = 15 (the age of the son)
50 + 15 = 65 (the sum of their ages)
The reverse of the digits of the son's age is 51.
Subtract 1 = 50 (the age of the father)
The answer to your question is D) √5x/5x.
I hoped this helped!