Area and circumference of a circle Quiz Welcome to your Area and circumference of a circle QuizPlease enter your email and click "Next" Email Calculate the area of a circleUse formula: A = πr²Round the answer to the nearest tenths of a centimeterA = cm²Determine the area of a circleUse formula: A = πr²Round the answer to the nearest tenths of a centimeterA = cm²What is the circumference of a watermelonUse formula: C = πdRound the answer to the nearest tenths of a centimeterC = cmDetermine the circumferenceUse formula: C = 2πrRound the answer to the nearest tenths of a centimeterC = mDetermine the area of a semi circleUse formula: A = ½πr²Round the answer to the nearest tenths of a centimeterA = cm²Time is Up!
