5th Grade
What is the date of Pi Day?
3.14 (March 14th)
What is the greek letter that is used to represent pi?
ㅠ
Tell me the first two decimals of ㅠ.
What are irrational numbers?
A number that cannot be expressed as a fraction.
Tell the first six decimals of Pi
3.141592
Pi eventually ends. (True or False)
False; it does not end.
what is the formula for calculating the area of the circle?
How many sides does a circle have?
0
Give the fractional approximation of ㅠ.
22/7
Is it a coincidence that pizza has the letter pi?
Yes, it is a coincidence
The decimals of Pi has a pattern (True or False)
False
What is the formula for finding the circumference of a circle?
2ㅠr
What is the equation for the Area and Circumference of a circle?
A = 2pi(r^2), C = 2pi(r)
Pi is a Roman letter (True or False)
False; It is a Greek letter
In trigonometry, how many radians are there in one full revolution around a circle, expressed in terms of pi?
2ㅠ
What is the area with a circle with 11cm radius?
121ㅠcm^2
What is the area of a circle with a 13cm diameter?
42.25cm^2
If the diameter of a circle is 7 meters, what is the circumference? (Use 3.14 as an approximation for Pi)
21.98m
Who made pi?
William Jones
2304ㅠ
What is the area of a circle with a 4.5cm radius?
20.25ㅠcm^2
If a cylinder has a radius of 11ㅠcm and a height of 9cm, what is the its volume?
1089ㅠcm^3
If a circle is inscribed inside a square with a side length of 11cm, what is the area of the circle?
30.25ㅠcm^2
Give me the approximate value of ㅠ / 2
(4 decimals, round it, mental math)
1.5708
Three circles, each with radius of 10 cm, are drawn tangent to each other so that their centres are all in a straight line. These circles are inscribed in a rectangle which is inscribed in another circle. What is the area of the largest circle
1000ㅠ