1. 8x^3y4 3<span>√xy - The first option
2. 6</span><span>√5 - The third option
3. 7 5</span><span>√x^2y - The third option
4. 3</span>√2x-6(3<span>√x) - The third option</span>
Answer:
The measure of the third side is 
Step-by-step explanation:
we know that
Applying the law of cosines

where
C is the angle between side a and side b
we have

substitute





The tenth place is the number on the right of the decimal which is
6703.58
So to round to the nearest tenth, look at the number before it, which is 8. The rule for rounding: 5+ = round up, 4 or less = keep as same number
8 is a number that is 5+ so we round 5 (number in the tenths place) up one number
6703.6