Why calculate pi

Why do you do pi? This article is more than 2 months old. Pi appears everywhere, from the general relativity of Einstein to corrections in your GPS to all sorts of engineering problems involving electronics. Read more. Swiss researchers calculate pi to new record of Topics Mathematics Pi news. By counting the number of letters in each word, we can easily write the value of pi. Since 'How' has 3 letters; 'I' - 1 letter, 'wish' - 4 letters, 'I' - 1 letter, 'could' - 5 letters, 'calculate' - 9 letters, 'pi' - 2 letters.

Therefore, the value of pi approximated to 6 decimal places is 3. The value of pi can be calculated with the help of a simple activity. Follow the steps given below to know why the value of pi is the ratio of the circumference of the circle to the diameter of the circle. Step 1: Draw a circle of diameter 1 unit. Step 2: After this step, take a thread and place it along the border of the circle the circumference. Step 3: Now, place the thread on the ruler and note the length.

Repeat the process with diameters of 2 units, 3 units, 4 units, 5 units, and record your observations in the table. As discussed above, the value of pi is an irrational number, which means there are infinite numbers after the number 3. The decimal places of pi consist of all digits from 0 to 9. There are eight 0s, eight 1s, twelve 2s, eleven 3s, ten 4s. Observe the figure given below which shows that the value of pi starts with 3 and the th decimal digit holds the number 9.

The value of pi is non-terminating and non-recurring and is approximated to decimal places as 3. For ease of calculations, it is often approximated to 3.

We know that the value of pi is an irrational number in which the numbers after the decimal point are infinite. Example 1: If the diameter of a circular pizza is 14 units, what is the area of the pizza? Since the pizza is of circular shape, we can use the formula for the area of a circle to calculate the area of the pizza. Example 2: The circumference of a circle is 44 units. Example 3: Betty measured the diameter and circumference of a hula loop accurately.

The diameter was units and the circumference was units. She used these measurements and found the value of pi. Is her value close to the real value of pi? Pi, in mathematics, is a constant which is the ratio of the circumference of a circle to its diameter. It is an irrational number often approximated to 3. The pi symbol is mostly used to calculate the circumference of circles , surface area, and volume of three-dimensional shapes. The most recent record was created on Pi Day in by Google, who calculated Pi to Article by Hazel Lewis.

Web design by Measured Designs. Hit enter to search or ESC to close. Close Search. For example if an engineer wants to calculate the volume of a water pipe they will use the following formula for a cylinder: Where is the radius of the pipe and is the height of the pipe. Love 76 Share Tweet Share. Tags algorithm algorithms cancer careers advisor coding Competition Competition winners cymru data science environment fractions gcse health ks4 machine learning modelling music National 5 pi profile Pythagoras python square root statistics teacher teachers Weather Forecasting whales.