For a while, i've been looking into the discovery of pi. for some i still do not quite grasp it. how was pi discovered and what methods were used to discover pi?

Dee used 2 1/3 cups of sugar for a cake recipe. if the amount of sugar the container holds is 3 times the amount she used, does the container hold more than, less than, or equal to 3 cups of sugar? explain.

Find an equation of the line perpendicular to the graph.

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°