You already have the formula so just put in the values and rearrange to get the answer. c is what you are looking for so that is x. a can be 3 and b is 10. CosC is Cos(120) the rest work it out on calculator.
Answer from: Quest
The last one bc that's a calendar
Answer from: Quest
i think the length is 12 and the width is 17
Another question on Mathematics
Mathematics, 21.06.2019 21:00
God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.