Question

triangle with one side is x,2x+7,45​

Answer 1

Answer:

well , it's the dimensions , what are you asking to do mate . please specify it so that I can happily help you

Answer 2

$\huge\boxed{\fcolorbox{cyan}{red}{Solution}}$

$x + 2x + 7 + 45 = 180 \\ 3x + 52 = 180 \\ 3x = 128 \\ x = 42.6$

The question is however incomplete. I just tried to solve.