Finalhero

This page lists questions and answers that were posted by visitors named Finalhero.

Questions

The following questions were asked by visitors named Finalhero.

Answers

The following answers were posted by visitors named Finalhero.

Reiny in the last step u have done an error as 21^2 =441 + 9^2 = 81 = 522 and 2*21*9*cos(98) = - 54.6 so 522 - (-54.6)=522+52.6=574.6 and square root of 574.6 = 23.97 ~ 24
12 years ago