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: 5376
Step-by-step explanation: if a chessboard have 64 squares that means 84 squares used at the tournament will have 5376 squares all together by multiplying 64 × 84.
Answer:
-13 + (-7)
Step-by-step explanation:
(- +) = -