Answer check for Ritangle 2019

You can check your answers for Ritangle 2019 by inputting any of the following here:

  • Correct final answer to question 1
  • Correct final answer to question 2
  • Correct final answer to question 3
  • Correct final answer to question 4
  • The sum of the correct final answers to questions 5, 6, 7, 8, and 9.
  • From Friday 22nd November at 0900, the sum of the correct final answers to questions 10, 11, 12, 13, and 14.

If you input any of the above you will be told that you have done so.

Please don't share answers outside of your team.

In the questions you are instructed to convert your answer into a final answer usually by multiplying by a given number, then adding a number and then taking the integer part of the result. - the integer part of x is found by throwing away the decimal part of x.

For example, the integer part of 4.73267 is 4, and the integer part of 5 is 5.

Notice that if x is not an integer, you always round down here and never up.

Some of the final answers have many digits, so you may need to work to unusual precision; you are advised to keep all the digits your calculator gives you and follow instructions about rounding carefully.

If you have any queries about Ritangle 2019 then please e-mail them to ritangle@mei.org.uk.

Please submit your values here.

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2017 MEI. Integral is produced by MEI, an independent charity committed to improving mathematics education. Registered Charity Number 1058911.