Answer:
x=10
Step-by-step explanation:
you know that 12x+5+6x-5=180 you can simplify the equation to 18x=180 and then you can divide both sides by 18 to get that x=10
X=90 degrees you can get the answer by adding up all the angles
Answer:
htrh trhr thjt h
Step-by-step explanation:
tr h dhfghd t
I THINK SSS, SAS AND ASA WOULD PROVE TRIANGLES ARE CONGRUENT.