Answer:
perimeter=sum of all sides
=7x - 6 + 3x + 4 + x
=7x + 3x + x + 4 - 6
=11x - 2
Step-by-step explanation:
Answer:

Step-by-step explanation:
Cos is Adjacent over Hypotenuse, (see picture below)
x/xsqrt(2)
1/sqrt(2)
sqrt(2)/2
Answer:
187
Step-by-step explanation:
1655+1775+684=4114
4114/22=187
h=k+4/j dude just go this thing called cymath