Step-by-step explanation:
you you can use two formulas here either pi d or 2 pi r so when you use pie d which change the radius to diameter by multiplying by two so in this case we will multiply 7 by 2 to get 14 then use the formula so is 22/7 * 14 to get 44
Answer:
78
V =
38 million
Answer: 7/32
3/8}^2=9/64
3/7+3/14=9/14
9/64÷9/14=7/32