Using cosine rule, the length of side t is 31.5 unit
<h3>Cosine Rule</h3>
Cosine rule states that the square of the length of any side of a given triangle is equal to the sum of the squares of the length of the other sides minus twice the product of the other two sides multiplied by the cosine of angle included between them.
The formula is given as
t² = s² + u² -3su cos(T)
let's define our variables
- t = ?
- s = 34
- u = 40.5
- T = 49 degrees
substituting the values into the formula
t² = 34² + 40.5² -2(34)(40.5)cos49
t² = 1156 + 1640.25 - 1806.79
t² = 989.46
t = √989.46
t = 31.5
The length of t is 31.5 unit
Learn more on cosine law here;
brainly.com/question/4372174
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