Maths!!

Think you know maths? Answer these questions to see.
^2 means squared
X means times
Quiz by ChallengeMaster
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Last updated: May 25, 2020
First submittedMay 25, 2020
Times taken43
Average score85.7%
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Hint
Answer
5+13
18
Square root of 81
9
What is this symbol? π
Pi
13 squared
169
-4 X -7
28
3+7X8
59
What theory is a^2+b^2=c^2
Pythagorean
+1
Level 27
May 26, 2020
Post some quiz ideas for me to post, I'm stuck for ideas :)
+2
Level 48
May 26, 2020
Pythagoras should be accepted as well as Pythagorean
+1
Level 27
May 26, 2020
Thank you for letting me know. I'm new to this so would you be able to tell me how to change that, thank you :)
+1
Level 69
May 27, 2020
Pythagorean theorem, not theory!
+1
Level 27
May 27, 2020
Sorry, I'll get that changed now. Thank you :)