Match the following addition statements with the correct property of addition. (−5)+5=0

(−16+4)+5=−16+(4+5)

−9+(−7)=−16

45+(0)=45

9+(−6)=(−6)+9

Which equation can be solved to find one of the missing side lengths in the triangle? cos(60o) = cos(60o) = cos(60o) = cos(60o) = mark this and return