Answer:
52º, 128º
Step-by-step explanation:
8. Because ∠6 is an opposite angle to ∠5, ∠6=∠5=52º;
9. Because line a//line b, ∠6=∠4=52º, so ∠7=180º–52º=128º
We have that
coordinates are
<span>A(12,7), B(12,−3), C(−2,−3), and D(−2,7)
</span>
i use the formula of midpoint <span>between A and B
</span>Xm=(x1+x2)/2 Ym=(y1+y2)/2
A(12,7) B(12,−3)
Xm=(12+12)/2=12
Ym=(7+(-3))/2=2
the point (12,2) <span>is halfway between A and B</span>
