Question

PART 1

There is a lot to answer but please answer correctly and answer all of them or your answer will be removed. Please give answers within the next hour. Thanks!

Answer 1

I don't think giving you the exact answers would help, so here are the formulas:

`a^(2)=b^(2)+c^(2)-2bc*cosA`

For #1:

We're solving for a.

`a^(2)=5^(2)+8^(2)-2*5*8*cos(90)`