Question

what is pi plz answer me​

Answer 1

The ratio of circumference of a circle to its diameter gives out an irrational constant. This constant is denoted as pi (π). It's numerical value is 3.14159... or when represented fractionally, it is approximately equal to $\frac{22}{7}$

Answer 2

Answer:

A battery is a device consisting of one or more electrochemical cells with external connections for powering electrical devices such as flashlights, mobile phones, and electric cars. When a battery is supplying electric power, its positive terminal is the cathode and its negative terminal is the anode.