what is mean by π and it's explanation and examples ,definition
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An irrational number that has a numerical value of 3.14159265358979... and is represented by the symbol π. It expresses the ratio of the circumference to the diameter of a circle and appears in many mathematical expressions. ... Π is the symbol for Pi in the Greek alphabet. 3.1415 is an example of Pi.
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π is an constant . it's value can't be changed . It's 22÷7 or 3.14
Step-by-step explanation:
ex.
find the circumference of a circle with side 14 cm
answer . (2×22×14) ÷7 cm
= 2×22×14÷7. cm
= 2×22×2. cm
= 88 cm. cm
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