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?

A runner has the speed of 25 m/s. They see the finish line and speed up to 30 m/s. This happens in 5 seconds. If the runner has a mass of 75 kg, with what force did the runner cross the finish line

What is the length if a right triangle with a leg that measures 16 and a hypotenuse of 20

1/6 x 3/5 = what is the answer

Don carried a 2 oz bag containing some marbles weighing 9.4 oz each. Jamie carried a 1 oz bag containing the same number of marbles weighing 11.2 oz each. Let m represent the number of marbles each child carried.

Chad and Rhonda are hanging a swingChad cut a piece of chain 6 feet 2 inches longRhonda cut a piece of chain 72 inches longWhen they hung the swing, it was crookedHow many inches was Chad's chain larger than Rhonda's chain?

In a quadrilateral each pair of opposite sides are equal. Is this quadrilateral a parallelogram? If yes, then prove you answer with a proof.

Can two obtuse angles be complementary to each other?

18 cm 24 cm 14cm Find the area

Chocolate bars that normally cost 80 cents each were sold for 40 cents each during a sale. What is the percent decrease in price during the sale? O A) 25% OB) 30% OC) 45% OD 50%

Nena thinks that because 4<6, it must also be true that 1/4<1/6. Explain to nena why this is incorrect