Triangle STU has side lengths s=34.0 and u=40.5. Angle T has a measure of 49º. What is the length of side t? • 54.7
• 41.9
• 31.5
• 76.3

Is there more to the question?

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.