Pi
Quiz by Ivailo Kanev
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9 questions
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- Q1What type of number is πRationalVariableMixed numberIrrational30s
- Q2What is the approximate value of Pi?3.53.142.894.0130s
- Q3What does π represent?The ratio if its area to its diameterThe ratio of the circle's diameter to its radiusThe ratio of the area of a circle to its radiusThe ratio of the circle's circumference to its diameter30s
- Q4Which activity would most directly involve the use of Pi (\u03c0)?Estimating the weight of a bookMeasuring the height of a building using a shadowCounting the number of apples in a barrelCalculating the area of a pizza30s
- Q5Which of the following is NOT a true statement about Pi?Pi is an irrational number.Pi's decimal representation is infinite and non-repeating.Pi's value can be exactly calculated.Pi is used to calculate the circumference of a circle.30s
- Q6If the diameter of a circle is 10 cm, what is the approximate circumference of the circle using Pi?62.8 cm20 cm15.7 cm31.4 cm30s
- Q7π can be represented as a normal fraction?TrueFalse30s
- Q8Find the area of a circle with radius 3 cm(in π units^2)27π9π15π8π30s
- Q9For how long has π been known?2000 years agoAround 5000 BCYesterdayAbout 4000 years ago30s