Answer:
A. 5-log3 (2)
Step-by-step explanation:
Answer:
tan53=x/14
Step-by-step explanation:
solve after that with inverse tan and simple algebra
No it is an irrational number
Let x be the length of third side.
12 + x > 13
x > 1-------------(1)
13 + x > 12
x > -1 ------------(2)
by combining (1) and (2)
we have x > -1