X is 35, if you follow the rules of alternate angles
333+456=300+30+3=400+50+6=700+80+9=789
4³=64
5²=25
9³=729
64+25+729=
60+4+20+5+700+20+9=
100+18+700=
818
Pythagorean Theorem: a^2+b^2=c^2
Plug in values.
15^2+sqrt(207)^2=(12sqrt(3))^2
225+207=432
432=432
Yes, this is a right triangle.
The answer is 122. If this is correct, please mark me brainliest.
D - their slopes are negative reciprocals of each other.
