Question

Medal and Fan!!

Answer 1

http://prntscr.com/bqqxqu

Answer 2

Use the Pythagorus Theorem.

Answer 3

a^2 + b^2 = c^2

Answer 4

The answer i got isn't on there...

Answer 5

What did you get?

Answer 6

c^2=4^2+2^2
c=?

Answer 7

4^2 mean 4 square that in mathematical terms is :
4 times 4 i.e 4*4

Same applies for 2 so we get 2*2

Answer 8

4.47 @AaronAndyson

Answer 9

4.47=4.5