Answer:
y=0
Step-by-step explanation:
All y-values along the x-axis are equal to 0.
Do you will need to know that for what.
Answer:
PQ:80
QR:160
PR:120
Step-by-step explanation:
∠
×
=
×
∠
×

×
∠
=
×
=
<em>hope it helps </em>
<em>have a great day!!</em>