PI DAY - march 14

What are we celebrate today?

What is the pi ratio value?

• 3.14186

• 3.14169

• 3.14159

• 5.14915

The value of Pi (π) is the ratio of ....

• the circumference of a circle

• the circle's circumference divided by its diameter

• the diameter of a circle

• the circumference of a circle to its diameter

If the length of a circle of radius r is: L circle = 2·π·R, then

The LENGTH of the circle with diameter equal to 14 cm is......

• 14 𝝅 cm

• 10 𝝅 cm

• 4 𝝅 cm

• 7 𝝅 cm

If a=8 and b=5, using the formula for the area of ​​an ellipse to find the area of ​​the ellipse (π·a·b), then ARIA is equal to 40π

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The area of ​​the circle is πR², where R is the area of ​​the circle. Calculate the area of ​​the disk with radius „-7 m”